Ma Young Hee has been in love with her best friend Han Jin Woo since the first time they met in high school. Han Jin Woo, on the other hand, does not see Young Hee's love for him and blindly goes out with other girls in front of her. On a trip to Japan, Young Hee meets a young man on the street who takes her back to his apartment since she is drunk. Young Hee accuses this man of raping her even though he didn't, but before she can rightfully press charges, he runs away as the government officials of Japan chase him down for an expired visa. Upon returning to Korea, Jin Woo stops by her apartment and introduces his younger brother, Han Sun Woo who just happens to be the young man she met in Japan. Jin Woo asks if Sun Woo may stay at her place, and Young Hee accepts out of love for Jin Woo. The story unfolds as a sudden high school classmate of Young Hee, Jang Hee Won, begins to court Jin Woo.

Usobuki Tadashi is a mysterious man with red eyes. He wears black suits with a wine-red shirt and possesses a special power which will drive people to their death through methods, such as curses and brainwashing. However, it is impossible for his crimes to be proven in court thus Usobuki cannot be taken to justice for the killings he did, on behalf of his clients. Meanwhile, there is Tada Tomoko, a police detective and the only person who cannot be controlled by Usobuki.

A famous model becomes a suspect in a case of diamond robbery and homicide. She gets involved with a farm owner who believes that she's innocent. Both of them find out the truth about this together, while falling in love along the way.

During the Qing dynasty in Beijing, a powerful empress took over the throne.The story focus on four different families. The Chai family, Chai Hok Yan, who was betrayed by other officials and the whole family was sentenced to death. Chai Pak Chuen was the only survivor in the Chai family because a loyal assistant of his switched identities with him. Pak Cheun changed his name to Fan Chi Chai and traveled to a different city to start a new life. That's when he met the Kiu family. Kiu Bun Yip, is a successful business banker, however, he also has enemies, including the Cho family. Bun Yip invited Pak Chuen to his bank Ding Fung Shing to learn about banking. At the same time, he met Cheung Shung Man, the two of them became best friends.

Completed

To get a boy from her past to leave her alone, Kim Yeon Do uploads a photo of a random guy claiming him to be her boyfriend. However, she does not realize the photo she chose was of bad boy student Ji Hyun Ho. When she ends up spending more time with him to make it up, she realizes that people have a lot more to them than what she sees.

Adapted from a mobile dating simulation game "Best Mistake" (일진에게 찍혔을 때) by Day7 (데이세븐).

At seventeen, we were all newbies at love. These are innocent and reckless high school love stories that we dare not think of doing now.