Shika Saito

The fifth installment of the Metropolitan Police Department story series. This time, detectives from the Tokyo Metropolitan Police Department's First Investigative Division are once again in action, full of thrills and speed, in pursuit of the perpetrator of a mysterious murder that suddenly occurred at an auto race track.

The body of a woman was found in a manhole. Is it an affair? The victim is a clerk at a mannequin manufacturing company. At the age of 26, she was a widow with a child, and she went missing after he went to collect her salary from the bank. A colleague at work said the victim was wearing an opal ring, but the bank clerk says she wore a jade ring when he came to withdraw money.