Sickan, Vanheden and also Rocky attempt to burglarize the Berns nightclub one night, but Vanheden has made the error to invite his continuously intoxicated relative, the old dynamiter Dynamite-Harry as well as he ruins the plan. Sickan is arrested, and needs to spend 10 months in a tiny, secured room. When he is released, he has a new plan, however Rocky and Vanheden have decided to go straight. Along with Dynamite-Harry, Sickan intends to burglarize a cold store, handled by their arch-enemy, Wall-Enberg.