Only the Lonely - S13.E1

Tom, who is not well and is trying to hide it from his colleagues, meets an old friend who has been caught shoplifting and discovers that he was trying to please his ten-year-old daughter who is dying from leukaemia. Tom continues to refuse to see a doctor. Alex is struggling with the idea of being a father, and is further discouraged when his son, Rory, goes missing and is feared kidnapped by gunmen who've been taking shots at uniformed police officers. Finally, the Heelers find that the gunman was taking revenge on the police for the death of his son.