"9 O'clock Woman" follows Katsuragi Miki, a young and attractive news anchorwoman who has just landed her dream job at the nine o'clock news. However, behind her successful and popular exterior, Miki hides a dark secret: she is addicted to masturbation. Her life spirals out of control when a co-worker discovers her secret and blackmails her, even going so far as to remotely control her with a vibrator during broadcasts, leaving her helpless and trapped by her addiction.