Ventress' sanity is called into question when he reports of a UFO sighting on the moors during a thunderstorm, leaving Nick with the task of fighting for the veteran's future in the force and to play peacemaker between two feuding neighbour's. Meanwhile, Greengrass is delighted to win a holiday cruise, until a trip to Whitby reveals he suffers from sea-sickness. However, he quickly spots a way to make money by selling the tickets to a businessman planning to his escape with his mistress, whilst Eileen learns a valuable lesson when her charity collection is stolen.