Sakura means cherry blossom in Japanese. The police found a few drops of old blood on a woman's clothing with a Sakura pattern printed on it in the deceased's room. The identity of the deceased in the murder case was very special. He was the president of a Japanese company. The investigation was inevitably affected by international relations and public opinion, and he often went astray. The young police officers involved in the case experienced confusion and tests in the unspoken rules of the workplace. After the real murderer was caught, a game of human nature really began. Behind the case was not just calculation and love, but what was even more shocking was the psychological slavery of the foreign boss and the groveling of the local executives, which also dragged the family into the quagmire. There is no bottom line when the heart is lost, and it is the lost self that is buried in the end.