Eric and Ernie decide to take a holiday to the South of France and unwittingly become mixed up with a band of jewel thieves.

Speedee Taxis is a great success, which means its workaholic owner Charlie starts neglecting Peggy, his wife. Suddenly a fleet of rival taxis appears from nowhere and start pinching all the fares. The rivals are Glamcabs, and they have a secret weapon. All their drivers are very attractive women! Who's behind Glamcabs? It's open warfare and only one fleet can survive!