The Suite Life on Deck is the spin-off of The Suite Life of Zack and Cody. Now that their mother can afford it she sends Zack and Cody for a semester aboard the SS Tipton. Mr. Moseby thinking he is free of the twins is annoyed that not only are they there but he must tend to them. London thinking she is on a vacation is forced to enroll in Seven Seas High also under the eye of Moseby. While on the ship they meet country girl Bailey and shipmate Woody. The ship travels around the world as Zack, Cody, London and Bailey adjust to their new lives while trying to not ruin Moseby’s.