Hope (Melissa Rauch) has been determined to become a gymnast since she was a child. In a world-class competition, Hope injured her ankle but still completed the competition and won the bronze medal, which made her the pride of her hometown and even the world. However, decades later, Hope still lives in the glory of the past, relying on her former honor to cheat and eat in the town, without considering how she should live in the future when she can no longer participate in gymnastics competitions. Hope's former coach committed suicide, leaving a suicide note to entrust the gymnastics star Maggie (Haley Lu Richardson) to Hope. If Hope can guide Maggie to successfully advance in the World Championships, the former will be able to obtain a huge legacy. Under the temptation of money, Hope began the devil training of Maggie.