Lee Min Jung becomes pregnant after discovering her husband's affair with Oh Yoo Ran. A drama about her life as a single mom and the man who loves her unconditionally.
Kim Hyun Joon and Jin Sa Woo are best friends who were brought into a top secret organization known as NSS by analyst Choi Seung Hee and Park Sang Hyun. Hyun Joon and Sa Woo both fall in love with Seung Hee when she first profiles them. Their lives are changed forever when Hyun Joon is given a solo mission in Hungary. Hyun Joon later tries to find out who set him up and to figure out what IRIS is and wants.
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.