Min Yoongi never believed in reincarnation, until he was murdered. Now he's living a life that's already been taken. - Park Jimin was just an average boy, until another soul suddenly crashed into his body. Now he has to share his life with the murdered soul who catapulted into him. - Together, the two try to learn how to work together to solve Yoongi's murder, before the killer finds them and finishes what they started.