This drama is set in modern day where South Korea is governed by a constitutional monarchy. Lee Jae Ha is a handsome and materialistic crown prince that doesn't care about politics. He falls for Kim Hyang Ah, a North Korean special forces agent.

"You Who Rolled In Unexpectedly"tells the story of TV drama director Hong Yoon-Hee and surgeon Bang Gwi-Nam after they get married ...Yoon-Hee (Kim Nam-Joo) is a TV drama director. She recently married the perfect man for her. Yoon-Hee has been afraid of having in-laws, specifically a mother-in-law. Because of this, Yoon-Hee looked for a guy who isn't closely connected to his family. If she couldn't find such a guy, Yoon-Hee planned on staying single. Finally, Yoon-Hee met Terry (Yu Jun-Sang). Terry is a doctor with a sweet personality, but, most importantly, he has adopted parents from America. Terry has no recollections of his real parents and was adopted by the Korean couple in America as a young child. Yoon-Hee's marriage life seems all se

Kim Jin Seo and Mo Yoon Hee are high school classmates and rivals whose different family backgrounds shaped their characters and their paths towards love and success in adulthood. Jin Seo develops a warm and cheerful personality as well as superior intellectual ability, while Yoon Hee becomes a beautiful woman with fatal charm. Both women love Lee Sang Hyun, an extremely kind but indecisive man who used to date Yoon Hee but later married Jin Seo. When Yoon Hee's husband, Sung Eun Pil, dies under suspicious circumstances, Jin Seo finds herself becoming involved in the investigation. The process is complicated when the young homicide detective Kang Shin Woo becomes romantically interested in Jin Seo.

Im Mi Rang's parents died in a car accident when she was eighteen years-old. Her grandparents took her in after the accident. Years later, Mi Rang opens a milk store with money from an anonymous donor. Mi Rang and her husband divorced due to irreconcilable differences and she is determined to raise her daughter as a single mother. A drama about a village, the people living in the village, and the romance within the village.