Original sentence: However they are easily convinced to help Sickan with his plan.Sickan, Vanheden and Rocky try to rob the Berns nightclub one night, but then an old dynamitard, Dynamit-Harry, shows up, the plan fails, and Sickan is arrested, and has to spend 10 months in a small, locked room.Together with Harry, they plan to rob a cold store, managed by their arch-enemy, Wall-Enberg.When he is released, he has a new plan, but Rocky and Vanheden have decided to go straight