Lee Yeo Reum gets dumped by her boyfriend and, soon after, her mother dies in an accident. She goes through one of her worst moments in her life. Lee Yeo Reum then makes the decision to live a complete different life from before and not do anything. She quits her job and moves to a small village, where everything is strange to her. There, she meets the residents, including An Dae Beom, and gets to know them. An Dae Beom works as a librarian. He hardly talks to people, but, when he does, he talks with a stutter. Somehow he gets comfortable and happy being with Lee Yeo Reum. Throughout this time, Lee Yeo Reum also discovers who she really is.

Set during the turbulent time of the fall of Goryeo and the founding of Joseon, two former friends face-off against one another over a woman and the future shape of the nation.

Kingdom of Goguryeo, ancient Korea, 645. The ruthless Emperor Taizong of Tang invades the country and leads his armies towards the capital, achieving one victory after another, but on his way is the stronghold of Ansi, protected by General Yang Man-chu, who will do everything possible to stop the invasion, even if his troops are outnumbered by thousands of enemies.

A former serial killer Byung-su gets diagnosed with Alzheimer’s and when a series of murders occur near his town, he worries whether the killings are his doings. Then, he comes across Tae-ju and realizes that he’s the killer. He reports this to the police, only to learn that Tae-ju is one. Byung-su tries to find evidence against Tae-ju, only to raise the young killer’s interest on him and his dear daughter.

Despite a 200-year-old treaty between humans and vampires, both races still don't get along. Amidst the looming tension, Jung Jae Min, a posh yet kindhearted high school student, quickly falls for the mysterious new girl Baek Ma Ri. But can Ma Ri conceal her true vampire identity and give love an honest chance? If these star-crossed lovers can find the courage to make the leap, Jae Min and Ma Ri may just be the key to a final resolution between humans and vampires...