When the girl that detective Joe Hallenback is protecting gets murdered, the boyfriend of the murdered girl attempts to investigate and solve the case. What they discover is that there is deep seated corruption going on between a crooked politician and the owner of a pro football team.

FBI agent Max Reed witnesses Dr. Tetsu Segawa - a researcher for the mysterious Chronos Corporation - being murdered. Dr. Segawa had stolen an alien device known as "The Guyver" from Chronos. College student Sean Barker, whose girlfriend's father was Dr. Segawa, finds the Guyver's hiding spot while watching the forensic team investigating the crime scene.