PC Luke Ashton is shocked to discover that his wife, PC Kerry Young, is pregnant. DC Danny Glaze sees a way to get enough evidence to arrest a teenage burglar when a young man is attacked by two thugs, although his informant may be at risk. DCI Jack Meadows is furious when DS McAllister is dropped off at work by a handsome young man. Sun Hill station holds an Open Day, and DC Eva Sharpe invites her family along, but after a row, her daughter Joanna goes missing.