The drama is about love of singles in their 30s. Hong Nan Hee is an ordinary worker at a publishing firm, she's a girl who always falls in and out of love since she was young until one day when she meets an old classmate, Byun Hyung Tae, who is a team leader of an advertising company again. Hyung Tae may seem to be a good catch in the eyes of many women but he's only a cowardly boy to Nan Hee whom he has grown up with. '9 End 2 Outs' is using the baseball theme to compare to the fates and lives of the people in love.


Cast
* Lee Jung Jin as Byun Hyung Tae
* Soo Ae as Hong Nan Hee
* Lee Tae Sung as Kim Jung Joo
* Hwang Ji Hyun as Yoon Sung Ah
* Lee Sang Woo as Lee Joon Mo

Extended Cast
* Jung Da Hye as Kim Nam Jung
* Lee Doo Il as Im Nak Bin
* Jo Eun Ji as Kim Choon Hee
* Hwang Suk Jung as Jang Choo Ja
* Kim Chang Sook as Kim Shin Ja
* Jang Joon Hwi as Park Sang Hoon
* Son Jung Min as Jun Mi Kyung
* Lee Hee Do as Byun Jung Woo
* Park Hae Young as Park Ji Sun
* Im Yoon Ah as Shin Joo Young
* Yoon Hye Jung
* Yoon Ye Hee