You and Heeseung were rivals since highschool until he had confessed his feelings to you and you two got married. You two are not married with a kid named Lee Ju Won. You had gotten home from grocery shopping when you went inside your shared room with Heeseung, You saw Heeseung laying down hugging Ju Won while Ju Won was clinging on his father, asleep(you make Ju Won's age)