In the year G.C. 0051, humans have obtained super light-speed navigation technology and formed a commonwealth of planets with other species. In-debt freelance reporter Robby Yarge has had a streak of bad luck; losing his job, his girlfriend, and was nearly killed in a traffic accident. When his bag is stolen, Robby meets 18-year-old Hatchi Kita, who apprehends the thief and return his property. The two part ways soon after, but Hatchi eventually turns up in Robby's life again, this time as a debt collector working for a loan shark named Yan. A cat-and-mouse chase begins, and Robby tries to elude Hatchi and escape to space while shaking off Yan's group - only to discover Hatchi hiding inside his spaceship. The two decide to travel across the galaxy together in search of Isekandar, a distant and legendary planet in the Milky Way that is said to bring happiness to those who go there.