The Unholy was released in the year 1976。The Unholy is also called as The Demon (1979/I), Night Demon, Midnight Caller, Kasvoton kauhu。

Similiar to HALLOWEEN and BLACK CHRISTMAS (which no doubt influenced the writer/director) this film deals with a series of bizarre murders and the unexplained stalking of the main characters by an unidentified man with no apparent motives.