Love After Mistaken Identity (Express Delivery Marriage to the Billionaire CEO)

During her graduate studies, Zhou Yan has a drunken one-night stand with Lin Yichu, CEO of Lin Group, and secretly leaves. She gets pregnant, drops out of school, and raises her child. Six years later, working as a delivery person, Zhou Yan mistakes Lin Yichu for her blind date, rekindling their relationship. Also pressured to marry, Lin Yichu hides his identity and they quickly wed. They deliver packages together and face her former classmates. When Zhou Yan nearly loses her job, Lin Yichu dramatically intervenes. He recommends her for a position at Lin Group, where they work together to confront her brother and a hypocritical woman at her mother's birthday party. At work, Lin helps Zhou overcome colleagues' hostility. After various twists, Zhou Yan discovers Lin is the Lin Group heir, while Lin realizes she was his one-night stand and their daughter Yuan Yuan is his child. With their daughter's help, they acknowledge their feelings and become a true couple.