Felix (Cameron Dallas) is a legendary prankster who always charms his way out of trouble. However, after his third strike at school, the principal has had enough and expels him. Never defeated, Felix resorts to his infamous ways and devises a plan with his brother (Marcus Johns), best friend (Matt Shively), new friend (Lia Marie Johnson) and classmate (Andrea Russett) to hide it from his parents.

Jimmy is a committed child psychologist who uses his own playbook, but when he is brought in to work with Ellie, he is completely unprepared for his subject – a 9-year-old psychopathic genius with nothing to lose. As he begins to understand the extent of her capabilities and the fate that has been planned for her, he struggles to overcome her defenses before it is too late for them both.