This is the story of a puppy that touched hundreds of millions of people around the world. Hachiko is a cute Chinese pastoral dog. He met his destined owner Chen Jingxiu in the vast crowd and became a member of the Chen family. With the passage of time, the once beautiful home is no longer there, but Batong is still waiting where it is, and its fate is closely tied to its family.

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.