Joohyun, who divorced 20 years ago, wanted to spend time with her grown-up daughter on Christmas Eve, but got turned down. She was even turned down by all of her colleagues! In a fit of anger, Joohyun decided to drink alone at the convenience store opposite her house. By chance, she bumps into Siwoo, her daughter's friend from highschool, and without thinking, she invites him to her house. What decisions will be made…? "Even if you hide it, I know exactly what you want. So stay still." Is it… Is it alright for me to do this…? With a kid like him…? An adult woman's hot passionate romance revealed!