S2, E1: In an Edinburgh cellar, two gunshots ring out. Across town, Max McCall is released from prison. These two events gradually come together as Max tries to rebuild his life, whilst new arrival Erin is trying to save hers. Roy Lynch rebuffs Max's efforts at a reconciliation, leaving Max to turn to Kenny for help despite their troubled history. But this is a newly confident Kenny with a budding new relationship, and he provides Max with a tougher challenge than expected. It appears that Max's fall from grace is complete. But he has a secret motivation to reveal.