In this wacky sequel, our hero, the monstrous and lovable cleaner of the city of Tromaville, embarks on a new and absurd adventure. After successfully defeating several villains and healing his beloved, Melvin Ferd, the former nerd turned superhero, discovers that his peaceful life is about to be interrupted. A malevolent crime magnate decides to set his sights on Tromaville and carry out a dark plan that threatens to unleash chaos once again.
Melvin, showcasing his bravery and his peculiar sense of justice, joins a group of unusual allies in his quest to stop the villain. The plot takes a turn when he encounters new enemies, including a ruthless family of villains who seek to conquer the world with the help of an impressive chemical weapon. Meanwhile, the protagonist has to deal with his fame and the havoc his imposing appearance wreaks on the people he encounters.
With comedic situations, limitless action, and a good dose of insanity, Melvin sets off on a journey to Japan, where he must face even greater challenges and prove that, even when things get messy, there is always a ray of hope (and plenty of explosions). Laughter, craziness, and a strong social critique intertwine in this adventure-filled and fun journey. The battle between good and evil has never been so explosive and twisted!