Nam Doyoon, who has lost all his memories and emotions from his past life, becomes a ghost hunter. While exorcising a malevolent spirit that appeared at his younger brother Nam Doha's school, an unusual turn of events occurs—Doha himself becomes a spirit, and Doyoon's soul, having lost its own body, is drawn into Doha’s body. Although this unprecedented situation is complicated, O, the head of the GMC (Ghost Management Center), decides to keep an eye on Doyoon. As Doyoon continues his missions to search for his brother’s soul, he begins to uncover the true nature of the GMC, drawing closer to a hidden truth...!
