The film tells the story of a robot named Rob. One day he was walking around the city and saw an elderly man sitting in a chair inside the Store of Unwanted Things. Next to the man, there was a sign “For Sale.” The owner of the store said that the goods were up for sale. The man's name was Robert. Rob wanted to have a friend. He made a purchase and received a receipt. Robert explained that he was now Rob's pet and from now on Rob should provide him with a roof over his head, feed him, and make sure he doesn’t get bored. The robot and man started living together…