Inspired by a true story. A star high-school dancer (Bella Thorne) starts using prescription painkillers after a knee injury sidelines her. Feeling isolated, she is adopted by a popular group, which leads to sharing her pills, having regular "pharm" parties and falling in love for the first time. But when her prescription runs out, they resort to buying pills, only to have their lives forever changed when they discover their classmate dealer has been selling them heroin under the guise of being a cheap Mexican painkiller.