Based on the clues left on the “unknown remains”, it is the job of the “Unidentified Persons Consultation Room” of the Metropolitan Police Department to determine the identity of the deceased and return him to his family.

Investigators Sakura Mita (Fuka Oshiba) and Makoto Tsukimoto (Yuko Oshima) are partners with completely opposite personalities and interests.The two of them will face a new unidentified body...!?

A man believed to be between 70 and 80 years old was found in an apartment room in Tokyo. The cause of death was subarachnoid hemorrhage.According to the landlord of the apartment, the man has been an old tenant for 40 years, starting from the previous generation of landlords.There is no lease contract left at that time, so I only know the name “Yukio Ayabe”.There were no personal belongings that could confirm his identity.However, the handbag in the room contained a huge sum of 40 million yen...!

Yukio (Tsurutaro Kataoka) seems to make a living by doing odd jobs, and the specific place of work is unknown.As far as the landlord knew, he lived in Fukushima Prefecture for half a year after the earthquake 13 years ago.There was almost no communication with nearby residents, and some people even mistook Yukio, who was picking up leftovers at the vegetable store, for a homeless man...

Why does an old man who lives such a simple life have so much money? Sakura and Zhen have conflicting opinions about the source of the money.Did Tsukimoto really think that “ got the money through some criminal act? ” really went to Fukushima to find clues, but there he met Tejima (Abe Ryohei) from the Investigation Division.In fact, Ma and Teshima have special feelings for Fukushima Prefecture...

On the other hand, Sakura said% I think the money was saved by the deceased, and believed in the old man's innocence, and continued the investigation, but later found out that Ayabe Yukio's name was fake...! Moreover, it was related to what happened half a year ago.The jewelry store robbery case has an intersection...

How could an old man who lived a simple life have so much money!? Where are the surviving family members!?