20 years of perseverance, hot-blooded teenagers finally become the people's hero.
Lu Yanchen and Gui Xiao were each other's first love but separated after graduation. Years later, they meet again and realize that the sparks are still between them.
Chen Xiaozhou suffered an accident after falling out of love, and since then he has often seen large groups of “quacking” rubber ducks, which has brought great obstacles to Chen Xiaozhou's life. Until a girl named Feng Jianan appears, Chen Xiaozhou is surprised to find that as long as he is with Feng Jianan, the ducks won't run out to make trouble, and a hilarious romantic journey begins.
