A single father, raising his five year old son on his own, has a reputation for sleeping with women. He holds the status of the image "Playboy", but to his son​--daddy.

A recently graduated college school, who starts her job as a Kindergarten teacher, lives in the coastal area of Busan. A small quite town, where everyone knew everyone, and the ocean breeze passes by when the weather beams down.

At a recent discovery that a house, that has been on the market, beside hers had been sold. She doesn't know to who, or does she want to know, but all she knew was she had a new neighbor. And when they meet accidently, many times, she knew his motives. She knew what he was, and she wasn't going to be his victim. Soon after, she becomes accquinted with the man's son.