In a Japan plagued by escalating drug-related crimes, the establishment of a specialized unit, STAND, becomes a desperate measure to combat the chaos. Rei Izumi, a rookie in the narcotics investigation team, is tasked with recruiting members for STAND. Her unique immunity to various drugs sets her apart, but as she navigates through potential candidates, she discovers the complexities of their motivations and beliefs. Amidst doubts about her own abilities and the challenges of convincing diverse individuals to join STAND, Rei finds herself entangled in a dangerous world of drug trafficking, where deception and secrecy reign supreme, posing unforeseen risks in her mission.