When Natalie is contacted by Mitch's old friend to investigate a suspicious suicide on a submarine, Natalie jumps at the opportunity and enlists Monk's help. However, things get complicated when the submarine heads off on a mission... with Natalie and Monk still on board. Monk must battle his phobias and stay focused to catch a murderer who is well within their reach. Written by
Did You Know?
The planes on the sail appear and disappear in different shots. See more
Mr. Monk, I've been on these boats. These boats are so big, they don't even feel like boats. They're like islands. You've been on islands before, right? You like islands. It's like Hawaii. Think of it like that: We're going to Hawaii.
I believe you are the Devil.