Tells the story of four men in their forties as they go through love, breakup, success and failure.

Kim Do Jin, an architect with a scathing tongue is in love  with strict high school teacher Seo Yi Soo, who moonlights as an umpire at amateur baseball games. Sadly Yi Soo is into Dong Gun’s friend Im Tae San who is dating a cold-hearted woman.

Choi Yoon tries to heal his heart after losing his wife four years ago. Lee Jung Rok marries an older woman for money but may lose his comfortable lifestyle in a divorce