Captain Stottlemeyer has to go to anger management class when he slugs a cop who claims he's having an affair with the Captain's wife.

Julie's basketball coach is murdered, and Monk must step in as the new coach while trying to solve the case.

A former friend of Mitch's dies in a locked room aboard a submarine and everyone cries suicide. When Monk and the crew investigate, the ship suddenly descends and Monk finds himself trapped on-board, underwater.