With nowhere else to turn, and a trail of bodies in his wake, the Man is forced to use Helen to ensure he stays alive long enough to discover who he is. But their journey soon leads them to a grisly discovery that changes everything. Kostas and Dimitri fly to Australia, and Lachlan is given a renewed urgency to find his suspect. But the course of events takes an unlikely and devastating turn, after Lachlan makes a grave decision.

S1Ep4