Cha Ji-min

Mi-sook raised her son Tae-ho alone after being widowed early by her husband. Then there was a man who comforted her lonely heart, and he was none other than Hyeon-dong, her son's best friend! For his son Tae-ho, who still doesn't know anything about this, Mi-sook suggests that they go on a trip with her high school alumni, Se-ryeong and Eun-hye, and tries to carry on her dizzying relationship with Hyeon-dong.

Joon-gi who sends her wife and children to study abroad lives alone. But one day, he was surprised to find someone who came into his house, Mi-na. As it turns out, he got into a real estate fraud... Situation had been tight and it made her stay at home for a while. Meanwhile, her stepdaughter, Yoo-kyeong, who lives in a different house also comes home. She promises not to tell her mom that her stepfather is living with a younger woman. However, when she accidentally found her stepfather and Mi-na having sex, she feels a strange excitement...