How four friends, alone in the world and pulling the devil by the tail, decide to rob a bank to be able to pay their bills and avoid the foreclosure of their barely finished house. Their technique improving, between two bursts of laughter and a few bottles to distribute to their offspring, they do not resist for long the pleasure of starting over. They will end up imagining a last "big blow" which will definitely assure them a happy life and free from any worry.