Ranbil, a man who is afraid of love and is studying about love from a book. Including from friends around him, with Thip, a young woman who was once disappointed in love and who was Ranbil's first love, to make Ranbil test his true love lesson.

A wave of chilling serial murders emerges, marked by the gruesome decay of male victims' secret part. As the police investigate, they confront eerie local myths and dark secrets.