Holy Night is a team that fights against groups that worship demons. The members of the Holy Night team are Bau, Sharon, and Kim-kun. Bau's special ability is his powerful physical strength. Sharon can identify demons and perform exorcisms. Kim-kun helps Bau and Sharon. Psychiatrist Jung-Won visits the Holy Night team to save her younger sister Eun-Seo. A demon resides in Eun-Seo's body.