
On a deserted night road, a black figure aims a gun at a woman fleeing from pursuers. A flash emanates from the gun, and the woman's body becomes frozen solid! Radioactivity is detected from the victim's body, and it's speculated that Spectral G-rays, still a mystery in the scientific world, were used in the crime. Misawa realises that the lyrics of a hit song sung by Kyoko Takagi match the circumstances of the murder.