Veterinarian Tao Youyou made a mistake in an operation, which resulted in the death of her pet dog, Zaizai, who grew up with her. She has never been able to pick up a scalpel again. However, her family suddenly suffered a change, and she had to take over the Taotao Animal Hospital run by her father. With the help of "matchmaker dog" Carlo, she met Ke Mi, a dog-crazy man with a "secret past". The two started a business together in secret, helping Taotao out of trouble, helping animal friends recover one by one, and helping sick pets and their owners to have a warm and beautiful, or ridiculous, or tear-jerking ending...