In a peculiar and fun twist of fate, Satan's son, a young man named Nicky, finds himself caught in a rather complicated situation. When his father, the Devil, decides it's time for a change in hell, he sends his two brothers to Earth to sow chaos and take control of the world. However, Nicky, a good-hearted and somewhat clumsy boy, decides that he cannot allow his brothers to threaten peace on the planet. With the help of his loyal dog, a demon named Mr. Beefy, Nicky musters the courage to embark on a strange adventure to stop his brothers.
Meanwhile, on Earth, he discovers a world filled with madness and eccentric characters. Life is not easy for him, especially when facing a group of humans and his own weaknesses, which make him more relatable than one would expect from Satan's son. Along the way, Nicky also finds love in a girl named Valerie, who sees beyond his peculiar origin and accepts him for who he is.
With a star-studded cast, including Adam Sandler in the lead role, this fantasy comedy mixes absurd situations with a lesson in acceptance and love. Nicky will have to confront his fears and learn that good and evil are not always what they seem, all while trying to save humanity from the chaos his brothers seek to unleash.