Thunder and the House of Magic 3D follows Thunder a homeless cat who seeks shelter during a storm and stumbles upon a mysterious mansion owned by retired magician Lawrence. The house is filled with quirky sentient gadgets including a friendly rabbit a chatty mouse and a portly goldfish. Lawrence allows Thunder to stay if he follows the rules. As Thunder explores the magical world of the house he forms bonds with Lawrence and his companions. A plot emerges to sell the house and its valuable collection of magical artifacts putting Thunder and his new friends in danger. With the help of his companions and the magical wonders within the walls Thunder embarks on an adventure to protect their home. Along the way he discovers the importance of friendship courage and the true meaning of family. This animated film combines magic and adventure.