In the Gu Banquet House in the mountains of western Hunan, every dish served by Chu Xuefeng was wrapped in the shadow of the ancestral home and the secret techniques passed down by the family. Su Wanqing, who broke in on a rainy night, ordered a bowl of soup that made him forget everything, and also dragged him into an entanglement about amnesia, old cases and the truth about the Gu feast.