Song Yan, the wealthy daughter of the Song Group, has an enviable life, but she is diagnosed with a brain tumor and may not have much time left. Her fiancé Luo Jiajun insists on fulfilling the engagement despite everyone's opposition. Unexpectedly, this angered Song Yan's "cousin" Lin Yuewei. She concealed her background and pretended to be a socialite to get close to Song Yan.
Just to use Song Yan to make connections and achieve class leap. Lin Yuewei has always been Luo Jiajun's underground lover. She thought she would be able to become a full-time official, but Song Yan took over without any effort.
Song Yan is getting seriously ill day by day, but the family inheritance is threatened by the Song family's illegitimate brother taking power. It is imminent to give birth to an heir, but her husband Luo Jiajun has no intention of cooperating. At this time, Lin Yuewei moved into the Luo Mansion as the yoga instructor of the old man of the Luo family. She announced her pregnancy in a high profile, but she was still hooking up with Luo Jialin, the young master of the Luo family. At the same time, Song Yan also discovered the underground relationship between Lin Yuewei and Luo Jiajun. It turned out that the two had been in contact, and even Song Yan's marriage was a conspiracy planned by Lin Yuewei!
Lin Yuewei is eyeing everything about Song Yan. With her life counting down, she must race against time to protect her life!