In the 22nd century, scientists from an energy-depleted Earth research new fuel sources in the far corners of the solar system, where they discover an ancient alien race from Jupiter as well as the emergence of an apocalyptically dangerous black hole. Koji Hashimoto's 1983 sci-fi adventure was conceived as a Japanese competitor to the upcoming sequel to Stanley Kubrick's classic 2001, titled 2010, and often mirrors the sequel's plot.

When Suzie and her parents take a visit to Japan her father's business partner, an inventor called Tetsuro decides to make Suzie a robot. The robot's name is 'Too Much' (or TM for short) and he and Suzie become the best of friends. But when the day comes for Suzie to return home she finds she's not allowed to take TM with her, so they run away together. However, they must watch out for a rival inventor of Tetsuro's is looking for them so that he can examine TM's programming. Will TM and Suzie manage to escape from his clutches and prove that love conquers all?