Arthur's chum Sidney comes to him for protection from a murderer. Unfortunately, Arthur's idea of a safe house is a caravan.

Whilst his parents are on holiday in Spain, Ray, driving Bert’s taxi, picks up Susie, an attractive girl who claims to be on the run from a violent husband. Arthur, scenting a ‘nice little earner’, installs her in Bert and Doreen’s house.

Arthur's venture into corporate hospitality takes him and Ray into company that's glamorous and dangerous.

Arthur is forced to broadcast his first ever commercial on pirate radio when a rival car dealer tries to put him out of business with a nightmare test drive.

Arthur is targeted by violent criminal Charlie Knowles, who blames him for his incarceration.