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 …

At nights, prisoners leave the prison to commit perfect crimes. Ik-Ho is an inmate who wields king like power in the prison. Yoo-Gun is a new inmate charged with hit-and-run, destruction of evidence and bribery. He is an ex-detective with a 100% arrest record. Ik-Ho pays attention to Yoo-Gun who has a strong will and hot temper.

Movie follows the activities of the Heroic Corps, an anti-Japanese independence organization that existed under the Japanese colonial period in South Korea. The group used violent means to achieve Korean independence.