Detective Koo Do Han has his suspension lifted and gets called to a murder crime scene by Kang Jong Hoon. As he arrives at the scene, he encounters the dead body of Song Young Jin, the accomplice in the biggest fraud case of the century, the Noh Sang Cheon Ponzi scheme case. He also finds traces of Noh Sang Cheon who had died eight years ago. (Source: Prime Video, MyDramaList)