A string of robberies have been occurring throughout the city, but rather than money and other monetary valuables, the thieves are stealing cufflinks. The Turtles go topside to investigate these bizarre burglaries by infiltrating a toy convention. Sure enough, the cufflink thieves arrive and demanded for everyone's cufflinks. The Turtles try to stop them, but the thieves manage to escape. Leonardo recognizes the robbers as Big Louie's henchmen. He then comes up with a crazy plan to find out why the gangster boss wants them: by joining Big Louie's mob.