Yoo Jang Young

Choi Yeon Woo (Yoo Jun) is a high school student and a “mono” – a person who sees the world only in a dull and lifeless black and white. But for every mono, there is a “probe” – a kind of soulmate who allows the mono to see the world in vivid color. Yeon Woo’s probe was a boy named Yoo Han, and the two developed a beautiful friendship that blossomed into romance. But as their relationship intensified, mysterious goings-on suddenly got very unpleasant for Yeon Woo, who eventually found that Yoo Han had disappeared, with his mother also vanishing. Yeon Woo vows to do whatever it takes to track down his “probe” and his mother. A classmate named Se Hyun (Hyuk) learns of Yeon Woo’s quest and resolves to help and protect him – as a close friendship develops between the two students. But Se Hyun hides a secret, and Yeon Woo could be about to discover the truth…

Despite the fact that things just never seem to go his way, Sang Ha always manages to find a reason to smile. A member of the school track team, Sang Ha loves to run, but distance has never really been his thing. For Sang Ha, sprinting is what brings him the most joy. Jin Won, on the other hand, is exactly the opposite. A record-breaking marathon runner in high school, Jin Won is well on his way to becoming a marathon superstar. Determined to live up to the expectations of his coaches and colleagues, Jin Won cares about one thing and one thing only: running his next race. When Jin Won finds himself struggling to maintain his record-breaking stats, his coach suggests Sang Ha step in to help as a pacemaker. Disappointed in the coach’s decision, Jin Won is anything but friendly to his new partner but with time and determination, the two runners come to find they share a similar passion, both on the track and off.

A triangular relationship between Eo Woo-dong, her husband Lee Dong, and fantasy character Moo-gong, highlights on the first half of the Joseon Dynasty and portrays the contradicted life of the high class people, criticizing the modern day Korean society.