A love story between a couple in their early thirties. It's the story of two people who live in the same era but in different worlds.

Lee min seok, a native, immature, and a Clueless high school hockey player who somehow ends up working at a company in place of his brother. He lives a double live as a student and a high positioned worker and falls in love with a woman who is temporary employee at the same company.

After their 4 children become independent, an old couple decide to live for themselves. One day, their 4 children come back to them.