Ambition of the Cooking Underworld (S01E05)

Xie Lu warns Mao and his friends to watch out for the "cooking underworld" after his staff is stolen by a man with a black kirin crest on his hand. Meanwhile, Mei Li excitedly waits for the return of young prodigal chef Lei En, who left Yang Spring Restaurant four years ago to train. However, Lei En has become a completely different person. He tells Master Luo that he has come to receive the legendary utensils. When they discover the black kirin crest on his hand, Mao and his friends are disturbed... (Crunchyroll)