A mysterious man who can turn into a gaseous form appears and calls himself "the Human Vapor". The Human Vapor kills a professor on live television and announces that he intends to kill everyone involved with an organization called "the White Center". Detective Kenji Okamoto is tasked with investigating the murders. Meanwhile, Kenji's ex-girlfriend Kyoko Kono runs her own investigation into the White Room's connection with a meteorite crash 27 years in the past and the cleanup of the contaminated crash site. Kyoko and Kenji find themselves crossing paths during their investigations as they unravel the conspiracy.
