An undercover FBI agent learns his job requires more than criminal investigations.

Briggs and Mike tilt rival gangs against each other; Mike learns that undercover life has moral complications.

Briggs helps Lauren with her case against the Russian Mafia; Charlie's C.I. proves unreliable during a drug deal.

Mike is recruited by a Nigerian drug lord to teach gang members how to shoot; Paige gets Jakes and Tuturro to go undercover with a marijuana farmer.

Mike gets deeper into Bello's organization; Briggs and Charlie resume former identities.

Mike convinces Bello to steal from a drug cartel; Briggs helps Charlie cover up bad decisions.

Charlie decides to tell the house about her bust; Briggs must come clean; Mike believes his investigation is ending.

The Briggs-Bello alliance is tested due to an ultimatum; Mike must push his limits for the good of the case.

Bello's last strike initiates a war that Graceland must stop; Charlie meets an unusual ally; Briggs faces the past.

Charlie learns a secret about Briggs and works with a Federale; Mike finds out that Juan is missing.

Briggs and Mike search for the truth about Juan's disappearance; Briggs makes a decision about his future.

Jangles takes a Graceland member hostage; the housemates unite to save one of their own.