Jiang Ye, who had been abandoned by his biological father for sixteen years, was forced to marry into the Feng family on behalf of his step-sister, to bring joy to Feng Tianyin, the leader of the Feng family who was rumored to be seriously ill. Her true identity is the hidden medical god Lao Yao, who sneaked into the Feng family just to find out the truth about her senior brother's murder. Feng Tianyin pretended to be seriously ill and secretly investigated the person behind the poisoning of himself and the murder of his benefactor Lin Feng many years ago. The two met for the first time, tested each other, and reached a cooperation contract. They worked together to tear apart the conspiracy of the second uncle, third uncle, and the hostile group Chu family. Along the way, they slapped the biased family in the face, punished the villains, and solved the old grudges between the two generations. From a couple who made an agreement to be wary of each other, to a lover who trusts each other sincerely.
