Elite narcotics agent Rui, furious over a string of colleagues disappearing, learns that the criminal Black Lion Society may be responsible and infiltrates alone. She walks straight into their trap and loses consciousness before the very drugs she was investigating. Restrained and helpless, her trained body is subjected to humiliating forced stimulation of both vagina and ass. Despite fighting desperately, Rui's involuntary pleasure escalates into panic and endless orgasms as even her anus becomes intensely sensitive. The captive agent's ultimate fate remains uncertain.