Danny wants two things in life more than anything else, one is a Jaguar and the other is Joanna Johnson. After he is conned into trading his Nissan Cedric for a 1973 Jaguar, he plots to win Joanna and get revenge against the sleazy car dealer Gordon Farkes.

Malcolm is a chronically shy mechanical genius, who has just been fired for building his own tram. He gets Frank, who has just been released from jail, to move in to help pay the bills. With Frank's help, Malcolm turns to a life of crime.