The hotel inspector is coming to the Tipton! Now that Zack and Cody live at the hotel, passing inspection might not be so easy. When Ilsa, the hotel inspector arrives, she isn't happy with the way the hotel is being run. She informs Moseby that she will be taking over as manager and proceeds to make everyone's lives miserable. Just in time, the twins hatch a plan to get Ilsa fired, so that Moseby can return,and things at the hotel can get back to “normal.”