A drama about the careers and love lives of urban professionals. It will tell the story of four men in their forties as they go through love, breakup, success and failure.

Michael King vows to revenge his parents' death. He believes that he can use his power as head of an underground drug kingpin to punish those who hurt him. However, his beliefs are shaken when he falls in love with a reporter named Jin Bo Bae.

Hye-seong Oh (Tae-yeong Yun), who excelled at skipping rocks as a child, loved Eom-ji Choi (Min-jung Kim). As childhood friends Eom-ji Choi made Hye-seong's life warm. Ten years later Hye-seong Oh has become a baseball player and meets Eom-ji again. She is in a relationship with another childhood friend Dong-tak Ma (Seong-min Park).

One day, Hye-seong hides his injury as a pitcher and throws a perfect game. After that performance he disappears. Several years later, Hye-seong shows up with other baseball players who have sad stories and are thought of as cast-offs. They are known as "Kyong-pyoii Woeinjudan".

The story is about a man fighting against the selfish and corrupt government to save the ordinary peasants.