Lin's mother exchanges her newborn daughter with the heiress of the Gu family. Lin Xingran, the switched baby, grows up being exploited by the Lin family. Lin's mother even plans to sell Lin Xingran's virginity to a wealthy businessman, but unexpectedly, she is taken by Wen Yuchen, who mistakes the room. Lin Xingran becomes pregnant with triplets overnight and, as a result, gains a lot of weight. Lin's mother, seeing an opportunity, decides to sell the babies. However, the human traffickers collide with Wen Yuchen's car on the way, and they flee in panic. Wen Yuchen discovers the triplets and adopts them, realizing later that they are his own children. Believing that the birth mother who sells her children doesn't deserve to be found, he decides to raise them alone.
