Qin Ye was expelled from the cooking competition for using a kitchen knife to cut out a famous painting by Van Gogh, and became the laughing stock of the whole people. Only documentary director Su Tang realized that it was not cheating, but a mark on the soul. When Michelin authority Luo Li wanted to ban him completely, Uncle Dao, a reclusive swordsman, quietly handed over an ancestral knife. Internet celebrity chef Lin Jin secretly filmed his knife skills for traffic, and food doctor Chen Zhiqiu discovered the biological code behind the knife paintings in the laboratory. A storm about the nature of food is slowly unfolding from the chopping board.