Blaketon receives complaints about rock music being broadcast from a pirate radio station. Nick and Phil who have been enjoying the music, reluctantly seek out the station which is broadcasting from a ship at sea. But they are pleased to discover it is out past the 3 mile limit. Nick, Gina, Phil and Maggie go to a club one night where Maggie's brother is working as a DJ, he is also the DJ on the pirate radio ship. Things take a different turn when Maggie's brother discovers that some of the people he's working with are distributing LSD. Joe Norten is back in Aidensfield after doing time for arson, but he is doing his best to go straight. His friends however tempt him into trying the LSD which makes him fall off a building to his death. Nick goes undercover as a DJ to investigate. The ship moves back into the 3 mile limit and the dealers are caught, but Nick lets the pirate radio continue! Blaketon is annoyed when the evidence he had against Greengrass for making whisky goes up in smoke