A penniless history teacher Seok-bong had no interest in how his younger brother Joo-bong, a promising businessman at a construction firm, has been doing his whole life. At their father’s funeral, the family reunion is made in many years in their hometown Andong, but Seok-bong is only after the relics at home that could make money and Joo-bong is after winning the contract of Andong highway construction project for his company. One day, they hit a mysterious lady named ‘Aurora’ by car who starts to suffer from memory loss after the accident. As time goes by, two brothers find secrets of their family through this lady that they had never known.

A woman named Seo Ji-Woo (Im Soo-Jung) traveled to India and met her first true love Kim Jong-Ok. Since that time Ji-Woo can’t forget her first love. She then turns the company “첫사랑 찾기 주식회사” – which means literally “Finding Your First True Love Company” to help track down Kim Jong-Ok. Han Gi-Joon (Gong Yoo) started “Finding Your First True Love Company” and he takes on Seo Ji-Woo is the company’s first client. The pair travel all over Korea to find Seo Ji-Woo’s first love and & in the process Han Gi-Joon falls in love with his first client …