Knight Moves

At a posh seaside resort, during a world chess championship, the police find themselves baffled by a series of bizarre ritualistic murders. And all the evidence points to chess master Peter Sanderson. So police Chief Frank Sedman and detective Andy Wagner call in psychologist Kathy Sheppard to examine the mind of their suspect. But when the body count rises, the police come to rely on Sanderson's sharp intelligence to steer them in the right direction. And when Kathy and her mysterious subject become romantically involved, a startling revelation threatens to change the rules of the game.