5150 ELM'S WAY is located at the end of a quiet street in a small town. When Yannick fell off his bike, he knocked at the door of the Beaulieu residence so he could clean the blood off his hands. But Jack Beaulieu and his family h...

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.