Jiang Xubai, a world-renowned chief obstetrician and gynecologist, is pressured by his grandmother to marry. He accidentally spends a night with Cen Xing, a food delivery rider. After getting pregnant, Cen Xing lives on her own bravely. Due to misunderstanding, Jiang Xubai mistakes another woman for his partner. After many twists, he finally learns the truth. From strangers to lovers, they face family trauma and wealthy-family turmoil together, and build a happy family in the end.
