Holy Night is a team that fights against groups that worship demons. The members of the Holy Night team are Bau, Sharon and Kim Gun. Bau’s special ability is his powerful physical strength. Sharon has an ability to identify demons and performs exorcisms. Kim Gun helps Bau and Sharon. Meanwhile, psychiatrist Jung Won visits the Holy Night team to save her younger sister, Eun Seo. A demon resides in Eun Seo’s body.