Former police officer Kim Mi Ra finds her life in a sort of stalemate after losing her job 5 years ago, but things take a turn when she finds herself doing what she thought had come to be impossible... Fighting crime! Although no longer as a member of the force but as a private investigator alongside her new sworn enemy Tanjiri and his mysterious boss. In a city built upon crime, Mi Ra vows to protect justice this time outside the bounds of the law.