The new emperor ascended the throne, and the DPRK was unstable. The border general Han Zhong and his son Han Chao returned to the DPRK to maintain stability. At this time, the six princes who held the military talisman at the border died tragically. In order to prevent the military talisman from leaving the city, the emperor ordered the gate to be closed for three days. At the same time, for the sake of peace of mind, Han Chao and others were sent to investigate the murder of the Six Princes, within three days. With the in-depth investigation of the case, a tragedy of 17 years ago has surfaced, and rumors of "Red Clothes and Shadows" resounded throughout the capital. The real identity of the murderer is fascinating, and the case becomes more secretive and bizarre...