Li Yan, who lost her father in a skiing accident in her second year of high school, has a grudge against her mother, who gave up her father's treatment. The puppy Ke Le, adopted by Li Yan, grew up with her. The birthday of Ke Le is the same as the anniversary of her father's death. Li Yan regards it as the embodiment of her father. After experiencing conflicts, growth and loss, Li Yan understood her mother's choice to say goodbye to Ke Le.
