Private detective Matthew Scud originally lived a semi-retired life, but was accidentally caught by a drug lord.The other party's tone was low and his eyes were sinister, and he entrusted him to investigate a shocking case - his wife was kidnapped and brutally killed, and the identity of the murderer was a mystery.It was not only a murder, but also a well-planned revenge.As the investigation unfolds, Skud finds himself involved in a dark world full of violence, betrayal and lies, and the drug lord who lost his wife is not just grief, but also the long-hidden anger and cold plot.