It tells the story of Lin Yu, the god of war who once dominated the border and frightened his enemies. Because of a mysterious letter from his savior eighteen years ago, he resolutely gave up his military power of a million troops, returned to the city, and became the son-in-law of the Su family.
In the Su family, Lin Yu was despised and ridiculed, and was regarded as a good-for-nothing loser. Even his wife Su Yao was indifferent and alienated from him. However, he always adhered to his original intention of protecting Su Yao and repaying his kindness, and endured everything silently.
At an important business dinner, faced with the arrogant provocation and rudeness to Su Yao by Mr. Wang, the young master of the Wang family, Lin Yu could no longer hold back. He defeated Mr. Wang's bodyguards with thunderous means, showing off his hidden terrifying skills and shocking the audience. This scene not only impressed the Su family, but also made Su Yao have complex emotions towards him, and she began to realize that there was an unknown secret hidden behind this seemingly ordinary son-in-law.
As Lin Yu gradually reveals his talents, he will face difficulties from all forces in an urban life full of calculations and challenges, while protecting Su Yao and the Su family. Step by step, he will uncover the truth about his return to the city, and let those who once despised him witness the true power of the God of War.
