Axiang, a black mouse skilled in martial arts, falls in love and marries Xiaoji, a cat girl. Xiaoji is seen as a disgrace and a traitor to the cat clan, leading to her exile, while Axiang becomes a target of pursuit. According to the cat clan's rules, if Xiaoji and Axiang's marriage fails to gain the approval of Xiaoji's parents before Christmas Eve, Xiaoji will never be able to return to her family. Thus, Axiang and Xiaoji embark on a journey to seek acceptance...