When a single mom hires a tutor to help her daughter graduate high school, the tutor becomes dangerously obsessed.

Torako is a mysterious, but excellent private tutor. She has big ambitions and works to achieve her goal. She takes private tutoring jobs from kids of rich families and makes connections, while saving money. She currently has 3 students. Her 3 students and their mothers hope to have the students enter prestigious schools, while they must deal with their own unique problems.

Tae-gyu and Na-yeon have been dating for a year. She introduces her close junior, Ah-joong to Seo-jun. However, Seo-jun who prefers older ladies meets Na-yeon and had a one night stand... Na-yeon comes to ask Tae-gyu for forgiveness, however Tae-gyu was not home, but his twin, Jae-gyu. Na-yeon who has been dating Tae-gyu never once heard of Jae-gyu, and thought he has been lying from anger. However, after seeing the twins' picture, Seo-joon confirms that they were a twin and inevitably believes. Could it be true?

The four princes of the Kingdom of Granzreich are aiming to become the next king. Under the guidance of the royal tutor Heine Wittgenstein, while overcoming various obstacles and sometimes hesitating, they grow little by little. Appearing before them are twin princes from the Kingdom of Romano. Even though these princes look cute on the surface, they are actually extremely sadistic...! Towards such an unprecedented crisis, Heine and the four princes perform "educational guidance"!?

Jeong-soo is full of bluff because of his father's hanky-panky business. His father suggests going to Japan to study and brings home a Japanese tutor named Akita Yuri. She's dressed revealingly and she's somewhat suspicious. Her lessons get more and more erotic day by day and Jeong-soo isn't able to get out of it. Then one day, Jeong-soo is shocked to find his girlfriend is pregnant. Meanwhile, he is even more worried because Yuri wants to know everything about what he does. What will happen to them?

Dae-jin, who was tutored by Min-young, Soo-jin’s junior, because she made a speech mistake with her college junior, Su-jin, hurts her pride that Dae-jin is being tutored by her younger brother for a long time. Dae-jin reveals this to his close junior, Soo-jin’s classmate, Min-ho. In fact, Minho is Sujin’s ex-boyfriend.

Bad Guy is a 2010 South Korean melodrama television series, starring Kim Nam-gil, Han Ga-in, Kim Jae-wook, Oh Yeon-soo and Jung So-min. Directed by Lee Hyung-min, it aired on SBS from May 26 to August 5, 2010 on Wednesdays and Thursdays at 21:55 for 17 episodes.

When three overworked and under-appreciated moms are pushed beyond their limits, they ditch their conventional responsibilities for a jolt of long overdue freedom, fun, and comedic self-indulgence.

The delinquent prosecutor destroys everything corrupted with wealth and power. His face-off with evil begins.

While investigating a young nun's rape, a corrupt New York City police detective, with a serious drug and gambling addiction, tries to change his ways and find forgiveness.