A chess grandmaster is in a big tournament, and when his lover is found painted up and the blood drained out of her body he becomes a chief suspect. After he gets a call from the killer urging him to try and figure out the game, he cooperates with police and a psychologist to try and catch the killer, but doubts linger about the grandmaster's innocence as the string of grisly murders continues.

When police officer Xavier Quinn's childhood friend, Maubee, becomes associated with murder and a briefcase full of ten thousand dollar bills, The Mighty Quinn must clear his name. Or try to catch him, which could be even trickier.

During a chess tournament, grand master Peter is suspected of murdering Debi after sex. He helps the police as the murders continue.