Watch StreamingCommunity. Ryoko Todo is a detective in the First Investigative Division of the Metropolitan Police Department, and has the highest arrest rate for indoor murder cases. She had an ability. She knows the culprit with her ability. Then another murder occurs. A patient was murdered in the hospital. And one card found under the bed "Who is the liar?" This incident leads to a series of murders. And a crisis came to Ryoko's body.