Former martial arts legend Marie has accepted a new job as a โmechanical maidโโฆ except sheโs 100% human, and Arthur, her new boss, despises humans. Luckily, Marieโs naturally expressionless face helps her keep up the robot act while secretly protecting Arthur from constant assassination attempts. But when Arthur falls in love with his โperfectโ maid, things quickly spiral out of control!