Two men fall in love with a woman whose life is a complicated web of lies, propelled by her greedy desires that stem from an unfortunate childhood.

This drama deals with the love and ambition of 3 people in pain caught in a strangely tangled thread of fate. It is the story of Han Ji Won, who fell victim to a scheme, believed the man she loved to be dead and married another man; Yoon Hyung Mo, a man filled with ambition, who tries to kill Suh Jung Ha; and Suh Jung Ha, who once dreamed of love together with Han Ji Won.

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.