Cheerful high school girl Ha-na (Lim Ju-eun) is always the first to come out and protect her introverted twin sister Doo-na (Park Ji-yeon), who has a slight limp. After Doo-na passes away in a fire, Ha-na finds that her body no longer completely belongs to herself. Doo-na's angry spirit now lives in Ha-na, giving her special powers and monstrous strength. Genius criminal psychologist Shin Ryu (Lee Seo-jin) is an expert profiler who is determined to see justice served. When he learns about Ha-na's abilities, he uses her powers to eliminate criminals that are above the law, and to plan his revenge on the man (Kim Kap-soo) who helped his family's killer go free.

The drama is based on the best-selling same-titled novel by Shigematsu Kiyoshi. It tells the story of how a widower brought up his only son, after the death of his beloved wife. Ichikawa Yasuo, or Yasu as he is known, is a baka, with no paper qualifications to his name. However, like all normal parents, he dotes on his only son, Akira. Having grown up without his parents around, Yasu himself knows next to nothing of what parenting is about. With his wife, Misako, by his side, he had spent many happy days together with his little family.

However, when Akira was 3 years old, Misako passed away suddenly from an accident. Heart-broken, and filled with regrets, Yasu pulled himself together, in order to care for his little son. Together with the help of his friends, Yasu overcame it all, and Akira grew up to be a bright and successful young man.

"With nothing but love for his son... that's all there is"

One night at a party, Yumi's friend gets a weird voice message on her cell phone. The message is dated two days in the future and she can hear her own scream in it. Two days later Yumi's friend dies and Yumi starts to wonder if it had anything to do with the phone call. As fear starts spreading among the students at Yumi's school, Yumi soon realize…

The drama is about the life of the last Korean empress, Empress Myung Sung.

The ladies return, all at new stages in their lives that will be more complicated than ever! Tata not only has to get used to the role of being a young mother of twins, her husband Ryu, has been causing her headaches by frequently disappearing leaving her to cope on her own. What could he be hiding? Tata is also helping her neighbour Lookmai, who has been using her house as her own, so that young men who visit won’t learn her actual address. Jane has decided to start a relationship with Saifah, her handsome and young former assistant who has recently become a Youtuber. Seems like age isn't Jane's only obstacle, but also Lin, another legendary Youtuber, that seems all too ready to impose herself between her and Saifah. Kluay is planning a marriage with Ton, her good boyfriend who works like crazy. She's set a new goal: a life without a dark side and without sex until the wedding day. But a beautiful woman like Kluay can't stand it and has to sneak into nightly parties. Aei has begun to take care of herself with the help of Miriam, a personal trainer who volunteered to take care of both her body and heart. Aei also has to prepare for a new job, which will include fighting with her stingy supervisor Kwan, who has one complicated background. Dr. Nat, the group’s life advisor, continues to develop his relationship with his current partner, Boy.

Shochikubai Miroku (Akanishi Jin) is the son of a police commissioner (father) and also a traveller (mother). Miroku has lots of connections and is a very good fighter. His interest is his motorcycle. Kikumasamune Seishiro (Yokoyuma Yu) is the rich son of a large hospital. He also fights as well as Miroku. He is a good fighter with smarts. Bido Granmarie (Taguchi Junnosuke) is the son of a Swedish ambassador. He's also a playboy, dating many girls at once. Granmarie can't see himself going steady because he thinks the world can't handle it. Kenbishi Yuri (Minami) is the rich daughter of a world-renowned president of the Kenbishi Business. She loves to indulge on eating. She's also a good fighter, but can never beat Seishiro. Hakushika Noriko (Kashii Yu) is the daughter of a famous japanese painter (father) and her mother is from a tradition tea ceremony family. Her only hate is men and can get very violent when they touch her. Kizakura Karen (Suzuki Emi) lives with her mother, a rich jewel dealer. Her dream is to marry into a rich family using her attractive body and style. Together, they formed the Yukan Club, solving mysteries to pass time.

This drama is about the life and battles of the historical warrior Genghis Khan.