Willy Houlihan is in the holding cells beneath a Crown Court, awaiting the verdict of his trial. As he begins the long walk back up to his courtroom, viewers learn the events that brought him there. Willy was a hard-working plumber, with money pressures and a family who rely on him. But what did he get involved in?

• Jimmy McGovern

• Naomie Harris
• Juliet Stevenson
• Robert Pugh