影片主要讲述了一个身体素质原本并不是很好的学霸少女——邓嘉在学习网球的过程中，通过自己的汗水和韧劲一步步变强，并最终成为职业网球运动员的故事。
After his brother dies in a car crash, a disgraced MMA fighter takes over the family nightclub and soon learns his sibling's death wasn't an accident.