In order to take care of her elderly grandmother, Cai Ya, a girl next door who is full of vitality, chose to study at a university in the city. One day, because he helped a little girl on the bus, he misunderstood the school boss Li Xingxu as a dirty trick, which led to his reputation being ruined. What Cai Ya didn't expect even more was that Li Xingxu was the grandson of the grandfather next door, and became the obstacle for her to bring her grandmother and the grandfather next door to fall in love at dusk. One is the hot-tempered Little Pepper, and the other is the Bingshan school girl who secretly holds a grudge. From this, a ridiculous marriage begins.
