The former God of War, Gu Chen, chose to remain anonymous and marry into the Su family in order to protect the love in his heart, becoming a scorned son-in-law. In the Su family, he suffered humiliation and ridicule, but he always endured it silently and secretly protected his wife Su Wanqing. As various crises came one after another, Gu Chen had to gradually show his strength. He used his wisdom and courage to resolve crises time and again and protect his family and friends. At the same time, Gu Chen is also looking for the truth behind his retirement and the enemies hiding in the dark. In the challenges again and again, Gu Chen not only won Su Wanqing's love, but also rediscovered his own value and dignity. In the end, the king returned and became a legend.