Robot 9 (Elijah Wood) suddenly wakes up and finds that the world around it is full of crisis, dilapidated everywhere, and a scene of the end of the world. No. 9 fled into the street with a round object with three strange symbols painted on it. Fortunately, the inventor robot No. 2 (Martin Landau) gave itself a sound, but No. 2 was unfortunately captured by the robot monster. No. 9 finds Veteran 1 (Christopher Plummer), Mechanic 5 (John C. Reilly), Crazy Painter No. 6 (Crispin Glover) and Hercules No. 8 (Fred Tatasciore). No. 9 and No. 5 went out without authorization to rescue No. 2. In a critical situation, they were rescued by Samurai No. 7 (Jennifer Connelly), but No. 9 accidentally resurrected the ultimate robot beast. With the question of where he came from and his mission to survive, No. 9 decided to do everything possible to subdue the robot beast,...