S1, E6: Tian Tian opened up to Shen Mi about her trauma from losing her beloved dog, Zai Zai, and her inability to perform surgery since. Tragically, they learned that Hu Zi had died from severe injuries, leaving Tian Tian devastated. Shen Mi comforted her, emphasizing the gratitude of the animals and owners she had saved and encouraged her to accept his collaboration offer.