It's been four years since IEnergy's Narcotics Detective series starring Yui Hatano was first released. This time, we go back to the past of the first movie and depict her encounter with the investigator who later became her partner, and the incident that started her relationship with the drug organization. Agent Hatano hates her evil because of her hot-bloodedness, and sometimes tends to investigate alone. However, her evil hand was creeping close by...!