i do i do아이 두 아이 두; I Do I Do - 아이 두 아이 두; I Do I Do - Two Children, Two Children; Two Children, Two Children

Mun Su is a strong girl with a weak heart. Wanting to pay off the debt of her uncle, she is going to work for the creditor. To her surprise, the guy she beaten up outside is...!!! (You can guess where this is going.)