When the crown prince is killed, his twin sister assumes the throne while trying to keep her identity and affection for her first love a royal secret.

A suspicious business that offers the services of a purportedly all-knowing shaman catches the attention of a tenacious police inspector.

“Dear.M” will tell the story of the campus-wide search for the mysterious “M,” an individual who is mentioned in an anonymous post on a Seoyeon University online community. The realistic…