On September 21st, the network announced that Kim Tae Ri, Oh Jung Se, and Hong Kyung will be starring in the upcoming mystery drama. The new drama follows a woman under demonic possession and a man with spiritual powers investigating the mysterious deaths of five divine spirits. It is written by screenwriter Kim Eun Hee of Sign, Signal, and Kingdom and helmed by VIP director Lee Jung Rim. Kim Tae Ri will play a girl named Gu San Young, who has been preparing for a civil service exam for years. She works as a part-timer during the day and studies at night to pass her 9th civil service exam. After receiving the remains of her deceased father, she finds herself changing as she constantly gets involved in mysterious deaths that occur around her. Oh Jung Se will take on the role of Yeom Hae Sang, a professor who was born to a super wealthy family. Having the talent to see ghosts and deities, the professor meets Gu San Young and runs into the evil spirit that killed his mother when he was young. Hong Kyung will star as Lee Hong Sae, an elite police officer in the homicide unit. Although his goal is to climb up the job ladder, he gets involved in a series of horrific events as he encounters Gu San Young and Yeom Hae Sang. Source (1)