London develops a crush on the ship's magician. Meanwhile, when Zack constantly interrupts Cody and Bailey's dates, they find another friend for him to hang out with; Woody.
Zack and Cody realize spy John Smith is on board the SS Tipton, and agree to stay quiet about it. But when he gets food poisoning they have to complete his mission for him, and retrieve a microchip from the lovely Red Finger.
When Mr Moseby and Miss Tutweiller decide instead of punishing Zack for getting detentions, they give him a responsible job.