Song Na Young and her husband, Jung Sung Min, desperately want a child but her husband is unable to get her pregnant. Her husband's friends decide to help them. But Na Young suddenly loses her husband in an accident and she gives birth to her daughter but does not know which of her husband's friends fathered her child. The father of Na Young's child can either be Han Soo Hyun, Choi Kwang Hee, or Hwang Kyung Tae.


Cast
    * Eugene as Song Na Young
    * Jo Hyun Jae as Han Soo Hyun
    * Jae Hee as Choi Kwang Hee
    * Shin Sung Rok as Na Hwang Kyung Tae
    * Kim Bin Woo as Park Seo Yeon
    * Joo Sang Wook as Jung Chan Young

Extended Cast
    * Jang Young Nam as Noh Hee Sook
    * Ko Do Young as Jang Joo Mi
    * Jun So Min as Nam Jong Hee
    * Lee Hui Do as Song Mong Chan (Na Young's father)
    * Park Chil Yong as Han Bong Soo (Soo Hyun's father)
    * Jang Jung Hee as Lee Jin Nyeo (Kwang Hee's mother)
    * Yang Hee Kyung as Hwang Soon Ja (Kyung Tae's mother)
    * Kim Jin Tae as Park Dae Seok (Seo Yeon's father)
    * Kim Ki Hyun as Presisdent Jung (Chan Young's father)
    * Yoon Sang Hyun as Jung Sung Min
    * Park Sa Rang as 5 year old Ha Seon (ep16)
    * Kim Byung Man as French cook (ep7)
    * Choi Yang Rak as taxi driver (ep1)