"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
A man is found burned to death inside of a car. Detective Sang-Gil (Song Kang-Ho) and his co-workers investigate the scene. Sang-Gil doesn't want to take the case, because it looks like a simple suicide case and won't help him get the promotion that he desperately wants. Furthermore, rookie female detective Eun-Young (Lee Na-Young) is selected as his partner for the case.Later at the morgue, Eun-Young discovers a dog bite on the burned corpse. As Detective Sang-Gil and Eun-Young investigate further they discover a trail of drugs, child prostitution, and a lethal wolf-dog all involved in the case. Detective Sang-Gil and Eun-Young keeps their discoveries to themselves as Detective Sang-Gil hopes to crack the case and get his promotion. Soon, another murder victim is discovered having dog bites on his body. Can Detective Sang-Gil and Eun-Young unravel the mysterious case before more people are killed?