Sun Ying's mother Lin Qing died in a wealthy family. In order to find out the real cause of Fang's mother's death, Sun Ying entered Fang's family and launched a series of investigations.
Sun Ying entered Fang's house and learned from Fang Zhou that Lin Qing had a dispute with Fang Cheng before his death, and decided to use Fang as a breakthrough.
Concept: Hidden secrets in wealthy families, who is the real murderer?