Synopsis：Sheng Weiwei, the heir to the Sheng family, a family of traditional Chinese medicine, learned that her twin sister "died accidentally" who was living outside the country. She suspected that there was another reason for her sister's death, so she decided to take her sister's identity and return to the Ji family to investigate the evidence. Sheng Weiwei found Ji Hanxing, the leader of the Ji family, and proposed Joining forces to deal with Dafang, with the help of Ji Hanxing, Sheng Weiwei successfully returns to Ji's house, and the two also gradually develop feelings for each other while working together...