Just Fiancee.

It tells the story of the sudden disappearance of Gu Man Man, fiancée of Max's chairman Su Yu and daughter of the Gu family. Soon looking for his beloved, Su Yu accidentally meets Qiao Mai, who looks exactly like Gu Man Man. Su Yu, having no choice, asks Qiao Mai to play his fiancée temporarily to appease his grandfather's condition, and until the real Gu Man Man is found. However, they both do not expect that their relationship will soon turn out to be more real than just a contract deal.