Just as Lin Xu is preparing to confess his feelings to Su Qingyan, the woman he has secretly loved for two years, a girl named Lin Huanhuan suddenly appears, claiming to be his daughter from the future. She insists that his future wife will be Luo Yuning, his childhood friend and sworn rival. With his daughter's many matchmaking schemes, Lin Xu lets go of his obsession with one-sided devotion and gradually discovers the tenderness and sincerity hidden beneath Luo Yuning's sharp exterior. The two clear up years of misunderstandings and develop feelings for each other through their everyday interactions, ultimately finding a warm love in which both choose each other.