Follows Alan as he returns to his family home for this mother’s birthday, but soon after arrival tension begins to form between him and his father. As Alan tries to let it pass, he is confronted and reminded of the abuse he suffered at the hands of his father and is compelled to act.

In a remote village on the Suffolk Coast, Frank Perry (Ross Kemp) waits for his past to catch up with him. Previously a spy for MI6 working on Iranian chemical and biological weapons production, his reports led to the deaths of many Iranian scientists while also undermining the progress of their production. Now the Iranians have found out he was responsible and have sent their best assassin to kill him. A team of "protectors" move in around Perry, disrupting the local community who, fearing for their lives, turn against him.