The Shannons may seem like a typical family, but beneath the surface, Joan and David lead a secret life. They are members of an underground sex club that caters to their erotic, sexually charged lifestyle — Joan and David are swingers. They're allowed to swap partners at organized sex parties, as long as they don't fall in love. It's not uncommon for David to proposition men to have sex with his wife. And in late 2001, he invites a local man named Jeff to join their swingers club. Joan and Jeff share unforgettable nights filled with sexual fantasies come true. But little does David know, Joan develops feelings for Jeff that run deeper than he could have ever imagined — she has fallen in love. The cardinal rule of their swinging lifestyle has been broken.

Stefanie, a young vivacious 16 year old meets Craig, a handsome older counselor at summer camp -they fall quickly in love and get married seven years later. It seems Stefanie's life is perfect, a charming husband, job at a top Philadelphia law firm and a great house on the city's glitzy Main Line. Howbeit, Craig has quite the wandering eye. He begins spending his days at a brothel with women that fulfill his every sexual desire. Eventually the police catch on, but Craig is given immunity if he agrees to testify. He reveals every sordid detail in court. Stefanie never finds out. Craig's dalliances however, aren't over and he starts spending his days at a high-end strip club where he falls for a beautiful blond dancer Summer. Craig's debt snowballs fast as he spends thousands on private lap-dances and gifts for Summer. He turns to ponzi schemes and Stefanie's paycheck but it isn't enough … he'll stop at nothing to be with Summer. The night of April 29th 1997, days before their daughters 1st birthday Craig makes a frantic 911 call. He's found his wife unconscious in the tub. Stefanie is pronounced dead — determined an accidental drowning. While friends and family comfort Craig, a suspicious coroner pushes for an autopsy. The investigation reveals Stephanie died from strangulation not drowning — within hours the police uncover more incriminating evidence. In Craig's attic they find receipts chronicling all of Craig's relationship with Summer. In court the details of Stefanie's final moments come out. After slipping Stefanie a sleeping pill, Craig placed her in the tub and callously strangled his wife.

Renee Poole has married her high school sweetheart Brent and moved to a suburb of Winston-Salem, North Carolina where they are a young family settling into their own home. Brent Poole shows much promise in his career as a highly trained mechanic and provides a comfortable life for his wife and young daughter. Renee, however, tires quickly of the routine of being a stay home mom and house wife. She craves adventure and attention, so when a friend offers her a chance to dance at the local gentleman's club she jumps on the opportunity. Renee's new place of employment offers her more than just money — she acquires a number of lovers who she brings home while Brent is hard at work supporting the family. One of these lovers becomes a little something more. This relationship ends in tragedy when Brent finds out and asks Renee to stop her relations with this other man.

A pretty blonde with a bubbly personality, Pamela Smart loves good times, rock music and most of all her new husband Gregg. They seem like the perfect couple … but it's destined not to last. Soon after moving to the sleepy New Hampshire town of Derry things start to go awry; Gregg cuts his rocker hair and gets a job as an insurance salesman, angering his wife Pam. She finds solace in a group of teenage students at the school she works at. One in particular catches her eye; 15 year old Billy Flynn.

Dan and Trish Willoughby have the family of their dreams and successful careers. But things unravel as Dan enters a midlife crisis and has a torrid affair with a seductress named Yesenia. After Trish gets wind of the affair, Dan must choose between his wife and mistress or risk losing them both. In an attempt to reconcile with Trish, Dan plans a family vacation. Dan and the children go sight seeing while Trish rests. Upon returning from their outing, the children discover Trish severely beaten and bloodied with a knife protruding from her head. The investigation uncovers a lust-fuelled affair, a cold-blooded murder and someone isn't who they seem.

When Jay Orbin's torso is discovered in the Phoenix desert cops conclude the likeable businessman had been shot before being frozen and dismembered. They start their questioning with his glamorous wife, a former Vegas showgirl and stripper, named Marjorie Orbin. Her story is that Jay went missing after a business trip weeks before. But as police dig deeper, they discover that Marjorie knows more than she's letting on and soon her lies unravel as police discover a string of affairs and a tale of greed and lust that ended in a cold blooded murder.

On the surface Michael & Leann Fletcher's marriage seems great but after the birth of their first child things take a turn for the worse and Leann begins suspecting her husband is cheating on her. Over the next 2 years Michael and Leann's relationship deteriorates further culminating in August 1999, when Michael discovers his pregnant wife lying dead on the bedroom floor. Is this a tragic accident? A desperate suicide? Or something more sinister? Investigators take a closer look and find a long history of marital infidelity and an insidious plot to erase his wife, daughter and unborn child.

Stephen and Tara grant seem like the perfect couple, but when Stephen's role as stay at home dad begins to wear on his ego, he'll go to scandalous lengths to prove his manhood… and he'll use the many beautiful young live-in au pairs to help him. In 2007, after years of flirting and leering, Stephen finds the right girl who can turn his fantasies into a reality. But just when things start to heat up, Stephen's wife Tara mysteriously disappears after the couple has an argument. Investigators suspect foul play, but nothing could prepare them for the horror they uncover.

It's 1998 in the upscale village of Pleasant Prairie, Wisconsin. Mark and Julie Jensen seem like a happily married couple, but nothing could be further from the truth. Mark has never forgiven Julie for a brief affair she had seven years into their marriage. And he has turned his attention to another woman — his sexy co-worker, Kelly. When Mark's behavior becomes suspicious, Julie writes a letter stating that she fears her husband is out to kill her. Although Julie prays she is wrong, her instincts are right. In December of that year, Mark poisons Julie with antifreeze and proceeds to marry his mistress, Kelly. It took nearly ten years to finally convict Mark of the crime. He was sentenced to life in prison without the possibility of parole in 2008.

It looks like Larry, a wealthy Dallas custom home builder and his socialite wife, Joy are living the American dream. But appearances are often deceiving. Despite his seemingly perfect life, Larry gets involved in a torrid affair with former nurse and mother, Rozanne while building a home for her and her husband, Peter. As things heat up Peter gets suspicious and goes on a rampage to discover the identity of his wife's lover. Peter enlists the help of an investigator and the affair is exposed. When Rozanne is brutally raped and murdered, accusations fly and no one is beyond suspicion.

On Valentine's Day 2010 in the suburbs of Atlanta, Georgia, 28-year-old Chad Dunn stabs his 27-year-old estranged wife, Shelley Dunn, after he finds out that she is seeing another man.

Schoolteacher Keyon is involved in a love triangle with his pregnant fiancé Avis and the sexy, new English teacher Carla. When one of the three is found brutally murdered, the affair is exposed and the hunt for the killer begins.

In November of 2001, a successful advertising executive is murdered in his Oklahoma City garage. There are no suspects, until his wife and children don't show up at his funeral, and a tangle of illicit affairs and murderous plotting is revealed.

High school coach, Russ Stager is happily married to his loving, church-going wife Barbara until he discovers her obsessive lies and torrid affair. Determined to make the marriage work, Russ forgives her which proves to be a very deadly mistake.

Football star David Temple has an illicit affair with his co-worker behind his pregnant wife's back.

Oil tycoon, Jimmy Joste is obsessed with former rodeo queen Rhonda Glover. Despite her infidelity, he lavishes her with riches and she blows his mind with erotic sexual encounters until their tumultuous life of excess leads them to destruction.

Martha Freeman hides her young lover in a spare bedroom closet in the home she shares with her husband. When Jeff Freeman discovers him one night in April 2005, it results in a fatal confrontation.

Piper Rountree, a sassy Texas gal, is bored and having an affair in conservative Virginia. When she and her husband Fred divorce and he wins custody of their children, will Piper mastermind a diabolical plan to kill her ex and get her kids back?

When a successful mortgage broker enters rehab, his wife starts having an affair and later asks for a divorce. On a vacation with their two boys, the wife is found drowned in a foot of water. An accident, or a scorned husband driven to murder?

When she relocates to Florida in 2007, Tausha Fields is hiding from a sordid past. She is at the center of a tumultuous love triangle in Missouri which ended in the disappearance of her husband Mitchell Wayne Kemp.