Five years ago, Long Aotian was working as a security guard in Jiancheng and accidentally rescued Chen Xiaojun who was drugged by his mother. The two came together. Not long after the marriage, Long Aotian received a call from the organization and returned to the army to guard the southern border. It's been five years since I left. His wife Chen Xiaojun gave birth to his daughter Xuanxuan, and the mother and daughter lived a difficult life. Five years later, Long Aotian wiped out all the bandits in the southern border, but received news that his daughter was hospitalized with leukemia. His wife was forced to marry Li Hanqing by Chen's mother Wang Fang because she could not afford the hospitalization fee. Long Aotian quickly took four guards and rushed to Jiancheng.