Rhidian gets permission from Y Llywydd to kill his friend Davey following a tip off that Davy is about to betray Rhidian's son Lyn. Rhidian suffers a stroke before he can perform the deed. Lyn is planning to abandon his business to join his fiancée in Spain. His father's stroke and the revelation of Davy's betrayal lead him to change his mind. Y Llywydd agrees to Davy's execution but only if Lyn performs the deed. Steve, Lyn's number two, Bryn and Ieuan have been looking after business since Lyn's breakdown. The boys are unhappy about Lyn leaving especially as they are having trouble getting money out of one of their dealers, Ian Blake.