Rookie police constable, Terry Liu stumbles across a mysterious dark relm after a incident which took his lifn incident which took his life, but is saved by a mysterious woman named, “Nightingale”, who offers him another chance to live and for him to use for a price.  But as he reported back to the station he was met with another challenge, Dealing with his long-time rival, Sabine Aikawa, who happens to now be his partner.  But all things will change as his reincarnation causes more supernatural events to appear and slowly affect the lives of Terry, his friends, his family, and the civilians he vowed to protect.