When Autumn, a bestselling novelist, sends her mentally unstable stepsister away on a "5150" involuntary mental health hold, her best friends rally around her. Two years, later her stepsister resurfaces with secrets to share about all of them and the line of sanity and insanity gets blurred.

The middle class Emmy receives a video camera at home and her husband Tom starts filming. They believe they won a prize from the mall. The college student Beth is alone and bored in the empty campus and also receives a camera. Out of the blue, they are instructed to film and not call the police; otherwise they will die. Meanwhile the unemployed Leonard that lives with his mother receives a clown outfit and make-up and instructions to receive ten thousand dollars. After moments of tension, their lives are tragically entwined. Who is the stranger behind the prank? Written by Claudio Carvalho, Rio de Janeiro, Brazil