After Sun-Young misses a proposal deadline and gets Ho-Jun reprimanded by his superior, he takes punishment into his own hands. During overtime, he spanks her and orders her to wear a vibrator for a full day.
Sun-Young asks her superior Ho-Jun to train her in a Master-Slave BDSM dynamic. His first command is for her to wear a vibrator while walking around. His second command is for her to perform oral sex on him under a table. She keeps his ejaculate in her mouth for the remainder of the workday, which immensely satisfies him. He then rushes her home for an intense sexual encounter.
Do-hoon (MC) finds out that his charming and respectable female boss (Mrs. Lee Sohee) is actually his high-school bully's mother, so in a moment of rage upon seeing his bully in flesh he decides to take revenge. In doing that he decides to tame the bully's mom sexually. So, he makes his move and pounces on her at the workplace late at night.
