Top graduate Jun Shibata, an exceptional detective candidate, is assigned to a division that tackles the department’s “unsolvable” cases. Her partner, a seasoned and respected detective, has become disheartened after repeatedly failing to crack these seemingly impossible cases. Despite her privileged background leading her colleagues to underestimate her, Jun astonishes everyone with her determination and remarkable deductive skills. This sleek and bold police drama is filled with intricately crafted mysteries and vibrant characters.