Chen Mo and Gua Yan's love is trapped in the old grudges of their parents. From childhood sweethearts who knew each other inside out to a devoted couple still holding on at thirty-one, they never let go of each other. He hides his longing in a car repair shop in Shenzhen, while she waits beside the lectern in their hometown. Time may have worn down their parents' stubbornness, but it could never erase the way they saw each other.