The story takes place in New York in the 1980s, when a dog living in Manhattan was tired of being alone. He decided to buy a high-tech robot as a companion. The two danced together on the streets of New York, and their friendship became increasingly deep and inseparable. One day, they were taking a lazy nap on the beach, but the robot woke up and could not move any more. the dog was forced to leave on a summer night with a heavy heart. In the endless waiting, will they meet again?