A high school senior, Olivia (Madelaine Petsch), who struggles with grief from the recent loss of a friend. When she gets deferred from her dream college, she begins to spiral and experiences a series of increasingly frightening panic attacks. In an attempt to regain some sense of control, she embarks on a social media-fueled rampage against those who stand in the way of her success. But as things escalate, she is forced to confront and ultimately embrace her darkest impulses in order to get ahead.