On the day of the pre-marital checkup, elder sister Sang Rou was framed by Pei Zhan's childhood friend Chu Yin using a fake ultrasound for being three months pregnant. Pei Zhan slapped her publicly, the Pei family kicked her out, and elder sister jumped from a building to her death. Younger sister Sang Luo investigated the truth, only to be run over and killed by Chu Yin. Opening her eyes again, Sang Luo is reborn back on the pre-marital checkup day. She calls male best friend Qi Jia to lie on the ultrasound bed, exposing on the spot the fake pregnancy scheme where 'men can also show fetal heartbeats'. Elder sister calls off the engagement, takes back her patents, and founds Xinsheng Medical with Cheng Jinghuai. Chu Yin steals secrets and goes to jail again, Pei Zhan goes bankrupt and loses credit, Madam Pei is paralyzed in a crash caused by Chu Yin, and Chu Yin is sentenced to life imprisonment. Sang Rou marries Cheng Jinghuai and has a daughter, the sisters join hands to go public, welcoming a true rebirth.