Kain and Canary are staying at the Space Dock while their space ship, Sword Breaker, is undergoing repairs. Millie asks Kain to hire her as his assistant. Kain turns down her request. Meanwhile, Commander Raily of the Interstellar Police phones Kain. He refers to what happened at the satellite of the Crime Organization and forces Kain to accept a most urgent job.....a berserk computer has caused a mammoth space cruiser to go out of controlÅ .Kain must stop the cruiser!! Kain finds it is not easy to get in the runaway cruiser. Suddenly Millie, who had stowed away in Kain's ship, pops out and begins to shoot missiles. Thanks to her outstanding shooting, Kain is able to board the runaway cruiser. The runaway ship is on a collision course with the Space Dock and he finds it is impossible to change the ship's course or to stop it! Canary powers up Sword Breaker and manages to change the course of the runaway cruiser. (Millie is stunned by the incredible strength of Sword Breaker.) All of a s