Xiao Liang retired from the army and returned to Ningcheng. By chance, he was forced to live together with Qiao Yanran, the eldest daughter of the Qiao family who had escaped from marriage and had her assets frozen by her family. On the surface, he is a hospital security guard, but he hides his unique medical skills. He rescues the old man of the Liu family by chance, and wins the respect and appreciation of the Liu family. He repeatedly helped Qiao Yanran fight against the villains Wei Chen and Qiao Zhonghai, cured Qiao Yanran's father who was in a coma, and also rescued the critically ill daughter of the Yang family. Facing the villains' successive conspiracies, Xiao Liang resolves the crises one by one and smashes the enemy's plot to seize power and harm people. At the same time, he and Qiao Yanran grow in love while sharing the same adversity and make a name for themselves in Ningcheng.
