THE MURDERER'S IN YOUR HOUSE . . . A family of four are found murdered in their own home. A painted black sun is left dripping, as the killer walks away in broad daylight. THE FIRST DETECTIVE DIED TRYING TO SOLVE IT . . . He was said to have committed suicide by throwing himself off Tokyo's famous Rainbow Bridge. THIS IS ONLY THE BEGINNING . . . Inspector Iwata and his partner must find a murderer who is only just beginning. He knows time is running out and the menacing black sun means one thing, the killer will never stop.