Zack sprains his knee before the big basketball game, and while in hospital learns that Lisa is a part-time candy-striper. However, he also learns that he will need surgery to repair his knee and worries that it may go wrong.
Due to Lisa's parents pulling some strings, the gang land summer jobs at Malibu Sands beach club, but Zack soon clashes with the owner Leon Carosi, and his initially abrasive daughter, Stacey.