Ai Liang (Jin Shijia) is a surgical intern. By mistake, he came to a pet hospital, where he began his internship. Although he is a serious doctor and studies professional medical knowledge, Ai Liang has become a chores in the pet hospital, which makes Ai Liang very indignant. The strong dean of the pet hospital, Ding Han (Guo Biting), makes him feel very uncomfortable. After breaking up with Ai Liang, Ai Liang's ex-girlfriend left a dog named Xiao Qi. This cute dog caused Ai Liang a lot of trouble and made Ai Liang overwhelmed. However, with the passage of time, the relationship between Ai Liang and Xiao Qi has become deeper and deeper. At the same time, he also discovered the unknown gentle side of Ding Han. A pure relationship is difficult to maintain in the ups and downs.