Colin and Jane have decided that their marriage isn't working and that the best thing is to separate. This could be tough on their children, Joe and Emily, but their parents are civilized about the whole thing and determined to remain friends. In fact, after the split their relationship improves considerably. Jane, a nurse, embarks upon a new relationship with Roger, a single parent of three children, the terrible trio of David, Felicity and Robbie. Colin, meanwhile, has started to see Jennifer, the therapist he and Jane consulted when trying to work through their problems.

Len Green is a former bank robber and getaway driver who has retired from the criminal life and joined the undertakers run by his uncle. However, his resolve to stay out of the criminal world is tested by temptations based on the seven deadly sins.

Young Blades follows D'Artagnan (Hugh Dancy), a young arrogant swordsman; Radegonde (Sarah-Jane Potts), a clever girl he meets in the woods; and a trio of Musketeers as they attempt to thwart a plot to send France and Spain into war.