A wealthy business heir marries an ordinary office worker after they have a one-night stand that leads to her unexpectedly becoming pregnant.

Song Jin-Woo (Kim Dae-Gun) has worked as a non-permanent contract employee for the past 4 years at Moojin Girls' High School. He is a good teacher and dreams of a school where no one is left out. New contract teacher, Yoo Sung-Pil (Moon Yoo-Kang), comes to Moojin Girls' High School. When Song Jin-Woo was a high school student, he was bullied by Yoo Sung-Pil and other students.

Remis Phildin (Julian Wells) hosts the game show where the lucky winners get not only a billion dollars in prize money but also get the hot hostess Bambi (Vivica Taylor) as well.