When film student Jay gets some tapes from his friend Alex containing footage of a cancelled film project called Marble Hornets, he is followed by an entity called The Operator and finds out the secrets behind the tapes.

When a film student decides to look through the tapes of a canceled project his friend Alex had directed, and he had participated in, he discovers that his friends have been stalked by a paranormal entity known as the Operator and has now gotten himself involved in a mystery that goes beyond anything he can understand.—Alex Chapin / Anonymous