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.

A shocking discovery is made by Danny and Ally and they wonder just what kind of a man Jesse could have become.

Julie and Alan's relationship is put to the test after they are burgled, while 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.