Japanese attorney Tomoaki Shigemori is assigned to defend a criminal named Misumi. Previously convicted of double murder 30 years ago, he is now accused of killing his boss after his release from prison. Though Misumi initially confesses to the charges, his story keeps changing and there are no witnesses, only his ever-changing account of what happened. Shigemori gets drawn into the psychological game Misumi is playing while attempting to defend his client and discover the real story.