Space Investigator Justy arrives on Earth in pursuit of a dangerous bio-weapon, Debora, which has the ability to attach to living things and to control their consciousness and pass on to others through bodily contact. The only way to capture Debora is with a kiss, so Justy commandeers the body of a young man, Masayoshi, and has him kiss any person she suspects of being possessed by Debora.

An erotic horror movie about an invisible murderer.

While returning from a business trip to Hokkaido, Detective Kamei of the MPD greets a middle-aged traveler in the waiting room of Minami-Wakkanai Station but is ignored by him. On the limited express to Asahikawa, the same man happens to entrust Kamei with a floppy disk before dying. The floppy contains his investigative notes on a murder that happened two years ago...