Every Monday evening, at the arena, eleven men get together to lovingly put on the jersey of the Boys, the hockey team of a "garage" league to which they belong. As Stan, their revered trainer, would affectionately say, they have the "puck" tattooed on their hearts. It doesn't matter if they are lawyers, policemen, mechanics or unemployed, as soon as they enter the locker room, everyone forgets their age, their work and their problems.

On Christmas eve a journalist witnesses a theft in a mall and then tracks one of the thieves to later be taken as his hostage in the radio station he works for.

Dressed as a clown, the clever rascal Grimm holds up the most secure bank of Montreal and takes 30 hostages. While confusing and ridiculing the police with his strange behavior, he calmly manages to rid the bank of a fortune. But then an unsatisfied companion arouses trouble...