Harris (Jimmy Edwards), J (David Tomlinson), and George (Laurence Harvey) decide to take a holiday boating up the Thames to Oxford. George is happy to spend time away from his desk at the bank, Harris is glad to get away from Mrs. Willis (Martita Hunt) who is pressing him to marry her daughter Clara (Adrienne Corri) and ‘J’ is simply keen to take a break from his wife, Etherbertha (Noelle Middleton). Quickly finding themselves in all manner of complications thanks to the Hampton Court maze, tents, rain, locks and Henley Regatta,