On the surface, he is the humble and obedient son-in-law of the wealthy Lin family, but Yu Tu hides another identity - he was once an elite ace of a top spy organization. He originally wanted to live an ordinary life anonymously, but the moment he stepped into the Lin family, he was involved in the bottomless family conspiracy and urban secret war.
The cold treatment of his father-in-law Lin Zhentian, the distant alienation of his wife Lin Qingya, and the relentless pursuit of his old enemy Qin Yue forced Yu Tu to pick up the skills he had sealed away. A seemingly ordinary dinner party concealed eavesdropping and murder; a mysterious chip involved a huge illegal transaction network; and the "son-in-law" who was supposed to be silent was actually the only key to cracking the whole situation...
When the larger conspiracy behind the family dispute gradually surfaced, Yu Tu discovered that he was not only facing the open and secret swords in the business war, but also a dark organization closely connected with his past career as an agent. While protecting Lin Qingya, he must race against time to expose Qin Yue's conspiracy and regain his own glory and dignity.
This is a story about tolerance, awakening and counterattack - the strongest son-in-law, no longer silent!
