A mistaken phone call makes Si Yun order her distant contract husband, Huo Jingheng, to come home before she locks the door.
He obeys—and after an illness brings them closer, the cold businessman discovers how much he wants her care, her rules, and a real marriage.
But meddling parents, a proposed heiress, and the fragile terms of their agreement force them to decide whether their marriage is still a transaction or the home they have both been missing.