Symptom

"A film about everything we think the devil is"

A winter in an isolated island makes the appearance of a creature with a leather jacket and eyes that twinkle in the dark. Anyone who comes into contact with him losing his mind. Residents seeking the help of a strange girl who seems to be the only one that can put them with him. To strengthen her faith, it is driven to acts more and more extreme that seem to hide a secret relationship with him.