The film tells the story of how the clever and cute Little Q grows up to be a qualified guide dog under the careful care and training of the trainer, and meets his owner, Li Baoting (Simon Yam), a middle-aged blind, lonely and bad-tempered genius pastry chef. During the days they live together, Little Q gradually melts into Baoting's heart, and the warm companionship brings a new life to Baoting, who is in a low period. One person and one dog, a deep bond, neither of them can lose each other again.