The Spirit Rabbit clan once helped the White Tiger clan pacify wars, and the two clans forged a millennial alliance. Su Yang, the White Tiger chieftain, as promised, bonded with Yun Shao, the Spirit Rabbit princess. On their wedding night, Yun Shao was plotted against by her clanswoman Mu Si, accidentally revealing her true form, which caused Su Yang to contract a chronic illness. Because of this, the two developed a rift and grew increasingly distant. Mu Si seized the opportunity to sow discord, delusional of replacing her. Little did she know that Yun Shao's soul had already been swapped, and inside her body was the decisive and ruthless soul of a modern veterinarian. Later, Su Yang and Yun Shao's children unexpectedly met and caused a farce, bringing a turning point to their relationship. In the end, Su Yang and Yun Shao cleared up their misunderstandings, let go of their misgivings, and joined hands to guard the peace of the two clans.