Mark accuses Damien of shacking up with Sarah and in response he erupts into a fit of rage and lashes out and the two brothers begin to fight. After a cooling off period, Damien breaks down and admits his fears of turning into his father, who was a violent so and so. Brendan argues with Heather over her backing down from writing the book, seen as it is the cause of his troubles. Finally tonight, Deegan invites Sarah to dinner to say thank you for helping him and Ian with the Zumo situation.