Kirishima Rino awakens from a nightmare in which she was investigating the "drug trafficking organization" she had been pursuing, infiltrating it with her subordinate, only to be betrayed at the moment of capture and subjected to brutal torture. After this horrifying dream, her health deteriorates and she begins living in constant fear. Then one day, she is ordered to join an investigation into RDD, the largest domestic drug organization. Eager to prove herself, Kirishima sees this as her chance for redemption and resolves to cooperate fully. However, what awaits her is an unimaginable ordeal.