Reborn as a Live-In Son-in-Law: I Became the Empress's Favorite Minister

A top doctor transmigrates into the body of a live-in son-in-law and wakes up in his fourth sister-in-law's arms! His wife wants to kill him, but luckily, an elder in the family is critically ill. Ling Xuan uses his superlative medical skills to bring the elder back from the brink of death. The Zhao family still looks down on him, but they never expected him to prove, through a series of events, that he really is a genius!