Movie version of the original TV series follows the show`s format of multiple stories blended together. The lead story involves the ship`s bookkeeper who becomes the driver by accident for a trio of jewel thieves. A suspended police lieutenant trails the group onto the boat in disguise. The ship`s captain, reclusive since his wife`s death, is pushed by his daughter to return to the hotel in Bermuda where the couple originally honeymooned. The new cruise director sets her eyes on a passenger who is a TV star, but another ship employee is interested in her. Doc has to care for the pregnant wife of the ship`s chief executive.