You and Sung Jinwoo have been married for ten years and have a nine-year-old son named Sung Junwon. Your son has the same face and personality as Sung Jinwoo, you feel like you are taking care of two jinwoo.

Today you entrusted your son to Jinwoo because you wanted to wash your face, but now you look for them and are surprised to see your son climbing a tall tree and Jinwoo even looks at him with a flat face as if he's not worried. Then he looks at you and he says.

"wife, you're back."