Elliot receives a surprise visit from Ethan, and the pair work together to track down Helen. Meanwhile, tensions are reignited between Elliot's family and the McDonnells.

With nowhere else to turn, The Man is forced to use Helen to ensure he stays alive long enough to discover who he is. Lachlan has a renewed urgency to find his suspect.

When a man wakes up in the Australian outback with no memory, he must use the few clues he has to discover his identity before his past catches up with him.

The Man is left reeling from the new discoveries about his past, but his progress is thrown off-course when confronted by a mysterious and very dangerous threat.

Helen reflects on her relationship with Elliot, and whether the past has truly passed. Meanwhile, Elliot must face up to who he really is, and what that means for those he loves.

The McDonnells and Cassidys prepare themselves for all-out war. Elliot and Helen face a race against the clock to stop any more bloodshed.

Elliot and Helen travel to Ireland to find answers about Elliot's past. But after Elliot is violently kidnapped, they must each continue their dangerous search alone.

Finally, with all the pieces on the table, Elliot and Helen decide to go and meet his family to flush out the truth. However, the McDonnells prove difficult to shake off.