Singles

What's a generation of soon-to-getting-older youth to do?

Na-nan has known best pals Dong-mi and Jung-joon since childhood, and now the trio shares the ups and downs of their turbulent single lives together. But everything gets turned on end when Dong-mi and Jung-joon end up in bed! Should the longtime friends make it official or call it a mistake? Na-nan has a job offer and a marriage proposal from the charming Soo-heon to consider, and her twenties are fast coming to end.

Jang Jin-young

Na-nan

Lee Beom-soo

Jeong-jun

Uhm Jung-hwa

Dong-mi

Kim Joo-hyuk

Su-heon

Han Ji-hye

Ji-hye

Song Jae-ho

Dong-mi's Father

Jo Hee-bong

Director Cheon

Oh Ji-hye

Restaurant Manager

Jang Suk-Hyun

Ma

Choi Jung-in

Hyun-jung

Jun Suk-ho

Jae-ho

Kim Young-jae

Sun-ho

Jung In-gi

Team Leader Joo

Kim Eung-soo

Na-nan's Company Employee