Without Even A Word, You Change Me
Kim Doyoung (Kim Dongyoung) had a solid life plan: get a PhD, pay off his family debts, settle down with a full time position at a hospital, and get married to his college sweetheart, Seo Youngho (Johnny Suh). That plan got thrown out of the window when the Jungs, the most powerful family in Seoul, offered Doyoung's parents one billion won for Doyoung to marry their son, Jung Jaehyun, and provide them with an heir to continue their alpha bloodline.