When the DNA of a boy who went missing in 1995 is discovered at a murder scene, the lives of four friends are turned upside down in a desperate search to solve the unsolved mystery from their past.

Danny brings in a suspect that could lead him to Jesse and calls on Mark for help. But he is shocked when a horrifying new lead lands at his door.

Danny and Ally make a shocking discovery and begin to wonder just what kind of a man Jesse may have become. Pru reaches a crossroad when Slade offers her an interesting proposition and a young man comes to Mark in search of help. But Mark is thrown into turmoil when he realises his closest friends have been lying to him.

Pru helps Mark dig for information and ends up unearthing some dark secrets. Elsewhere, Danny and Ally are perplexed when they find another body while, at the shelter, someone’s past is about to catch up with them.

Slade’s life is turned upside down when he receives some devastating news. Danny insists that Mark leave the investigation to the police but another murder scene is soon unearthed. Pru starts to question the woman that she has become and looks to Mark for assistance.

Mark’s head is sent into a spin when Slade reveals a very dark secret. Danny makes a breakthrough in the case after finding some missing evidence but is forced to question his own part in Jesse’s disappearance when he receives a few home truths.

Julie and Alan’s relationship is put to the test when an intruder breaks into their house and steals some old family photographs. Mark sets out to track him down, but soon begins to question himself. Meanwhile, Danny is forced to make a difficult decision in order to save his marriage.

Pru puts herself in danger when she hits rock bottom and finally realises it’s time to sort out her life before it’s too late. Elsewhere, Mark is unnerved when he comes face to face with the evidence that will finally reveal the truth about Jesse’s disappearance.

The nerve-shredding penultimate episode enters a dark world of devastating secrets as the mystery surrounding Jesse takes another earth-shattering turn.Danny and Mark go it alone. But just as they think they're getting close to the truth, Mark discovers some devastating news that makes him question everything.

In a dramatic final episode, the tangled web of events unravels into a shocking conclusion that will keep viewers guessing until the very end. Mark, Danny, Pru and Slade have each endured their own personal battles as the decades old mystery has unravelled but things come to a head in a thrilling conclusion. One thing’s for sure, the lives of them and their families will never be the same again.