Introduction：Former boxing champion Chen Huan was forced to retire ten years ago, but since then he has been in a state of decline and burdened with a heavy workload. He has been working tirelessly as a coach in a boxing gym. A-Chao, who is in his early twenties, enjoys fighting and has been learning to fall under his father's training since childhoodWrestling has excellent fighting talent, but he was imprisoned for three years for accidentally killing someone to save his classmate Yu Xin, which has always been a deep resentment in his heart. After being released from prison, Yu Xin took Ah Chao to find Chen Huan, hoping thatChen Huaneng trains A-Chao. She knew that only fighting could wake Ah Chao up, make him open his heart, and start a new life. At the same time, Chen Huan learned that his daughter was going to be sent to Canada by his ex-wife to study, in order to be raised againTo be with his daughter, Chen Huan must have a certain economic foundation. So Chen Huan decided to train A-Chao and take him to participate in combat competitions to win the championship and win the prize money. Under arduous training and repeated competitionsThe two of them have accumulated a deep master disciple relationship, and their closed hearts have opened a window to the world because of each other.