Ren, the top executive at the company, relieves her stress by bullying dissatisfied subordinates on a daily basis. One day, one of her employees accidentally witnesses Ren's secret rendezvous and obtains hidden camera footage as evidence. As a result, the original hierarchy is completely reversed. Her pride shattered, she is plunged into inferiority and despair, forced into becoming a sex slave, repeatedly drowning in pleasure as she is cast down to the very bottom of her existence.