Season 1

In 1953, while the Great East Asian War was happening, there was a dreadful murder case in Bangkok. On the victim's body there were mysterious tattoos on the wrist, forehead and ankle. This incident gave birth to a series of serial killings. The investigation of the case is entrusted to the inspector of the investigation department, Waytarng Phiromruj. More murders happen and the tattoos on the bodies look different each time. The police are trying to establish a connection between the murders, but mysterious circumstances hamper the investigation.