Elite female detective Aimi Shirase of the International Security Organization is renowned worldwide for her calm judgment and flawless operational skills. However, her missions take unexpected turns. In Part 1, Detective Shirase successfully conducts eavesdropping at a terrorist organization's hideout and then enters the location alone, facing intense suspense. In Part 2, while guarding a top figure in the financial world, her serious nature backfires, dragging her into unforeseen trouble. In Part 3, during an undercover sting operation, she is betrayed by a suspect and ends up captured. In Part 4, her frustration mounts as she interrogates a terrorist. In Part 5, during a crucial press conference, she can no longer hold her bladder and, unable to leave the stage, is forced to relieve herself on-site—an unexpected and shocking moment. Her daily life unfolds with unimaginable, intense scenes.