我们的爱情,就像一首动人的旋律,永远回荡在我的心间。Zhang a middle aged man struggling with a dead end job as an insurance sales person, on the verge of divorce with his wife, losing custody of her daughter and on top of all this he had to take care of his father who's suffering Alzheimer's. Unknowingly Zhang was invited to join an underground fighting game for financial purposes but eventually Zhang becomes hooked on the fights and turns professional.