Overview
Four men with complicated love lives refuse to admit they're getting older, and attempt to prove that forty is the new thirty!
Cast
- Jang Dong-gun as Kim Do Jin
- Kim Ha-neul as Seo Yi-soo
- Kim Soo-ro as Im Tae San
- Kim Min-jong as Choi Yoon
- Lee Jong-hyun as Collin Black
- Yoon Se-a as Hong Se-ra
- Kim Jung-nan as Park Min-sook
- Yoon Jin-yi as Im Meahri
- Lee Jong-hyuk as Lee Jung-rok
- Kim Woo-bin as Kim Dong-hyub