Montse just wanted to make a documentary about partying at the Barcelona night clubs. But what begins as a fun evening out turns into hours of unending terror as Montse's video cameras capture a mysterious fiend killing off her friends one by one.

Montse just wanted to make a documentary about partying at the Barcelona night clubs. But what begins as a fun evening out turns into hours of unending terror as Montse's video cameras capture a mysterious fiend killing off her friends one by one.