Hozumi, a gifted scientist, is researching human cloning to save his beautiful and dying fiance, Hiroko. However, just before the completion of the project, Hozumi suddenly quits the lab, to stay with Hiroko until her last moment. Doesn't he want to save his fiance? Fellow scientists are puzzled by Hozumi's course of action and wants him back on the research team, but Muto, an ambitious scientist sees an opportunity to take over the cloning research.