In a time where fraud is an imminent threat, societal issues give rise to a slew of elaborate scams. Kurosaki is a man who lost his family to a "white swindler", which is a professional swindler who scams people out of their money. In order to exact revenge, Kurosaki becomes a "black swindler", a swindler who tricks other swindlers. He swears to scam every white swindler in the world and takes on foe after foe, but can he find his ultimate enemy who robbed him of his family? This riveting revenge drama exposes the very emotions that scams exploit.
The First Investigation Division of the Metropolitan Police Department, which is based in the Dai-Tokyo Police Station , is headed by Keiichiro Funakoshi, the Chief of the First Investigation Division . This is a department that specializes in considerations that lead to solutions. Along with Ryu Fujii , a new detective who was newly assigned for some reason , they lead to the solution of many difficult cases one after another while colliding with each other's strengths.
There is a street piano placed in a music store on a shopping district. Sawamoto Ren is a young electrician who has stayed away from the piano for a long time, but decides to start to a new path as a street pianist after meeting Kajiwara Midori, the daughter of the music store owner. Soon later, people from various backgrounds stop by to play the street piano and have heart-to-heart interactions with Ren and Midori.
When 3 female high school students walk along the sea shore, they find a naked man laying down. They film him with their smartphones and the man says "Winner Take Nothing" before losing consciousness. The man is soon sent to the hospital, where he is diagnosed with having memory loss and he also drowned after swimming for an extended length of time. The man doesn't have any kind of identification. The only clue to his identity is a tattoo on his left ankle. The 3 high school students who found him uploads a video they filmed of him to social media. Due to the video, the man becomes famous.