Ben Jahveri is an inventor of robots. He is forced to live in a van and make toy robots for sale. Ben developed a miniature model of Johnny 5, and an employee of the famous toy store Sandy Banatoni was interested in this invention, and she makes Ben an offer - to assemble a thousand robots by Christmas. He rents a workshop, but his place was unsuccessful: a gang of criminals specializing in robberies is located below. They dig a move in the vault, wanting to get a collection of diamonds. Robbers decide to get rid of uninvited witnesses.