Flora, from the Miao Region, possesses venom-craft and golden silkworm Gu. She encounters human traffickers, subdues them for the police. Following her Gu, Flora finds her father, an anti-drug police officer, at the border, surrounded by drug lords. She uses poisonous insects to defeat them, becoming an unofficial police helper. Her Gu identifies new drugs, and her insects track traffickers. Flora is a recognized special helper guarding the border.
