The drama portrays the life of Lee Kang Mo through his early teens to his early 40s.

The film is set in a high school, where an elite group of twenty students—including rebellious heroine Kang Yi-na, her timid best friend Yoon Myong-hyo, and her would-be boyfriend Kang Hyeon—are taking a special class for their college entrance exam. After Kang Hyeon is nearly strangled and another student throttled in the restroom, the classroom TV screen switches to an image of top-ranking student Hye-yeong trapped inside a fish tank that is slowly filling with water. A disembodied voice announces that her life depends on the exam questions he will set for them, and that a student will die for every question the class gets wrong. Trapped with the students are head teacher Hwang Chan-wook and English teacher Choi So-yeong. Yi-na realises that the students are being killed in order of their rank in the class, and she is ranked fifth.

This new drama is about the behind the scenes of TV drama production. It also portrays how the whole production team and performers complete a project in a tight schedule and as well as how actors, actresses, and entertainment agencies handle rumors surrounding them. Jang Ki Joon is a manager who is in charge of the activities of many famous actors and actresses and one of them is Oh Seung Ah who is a rising actress. Lee Kyung Min is a drama PD, and Seo Young Eun is a script writer with a young son.

Bong Dal Hee (Lee Yo Won) is a first year resident doctor who strives to become a surgeon despite her heart problem. She works under Dr. Ahn Jong Geun (Lee Bum Soo), a cardiac specialist, and even though they don't get off to a good start, the two grow fond of each other as time goes by. Dr. Lee Geon Wook (Kim Min Joon) divorced his wife, Dr. Jo Moon Kyung (Oh Yoon Ah), after he found out that his 6-year-old son was actually fathered by another man before they married. He still has feelings for her, but feels betrayed and cheated. This medical drama portrays the lives of resident doctors, their ups and downs, depicting crisis in a hospital as well as politics among its management staff.

Three high school students - Sung-hwan. Woo-sup and Jin-won are on their way back from a birthday party for Sung-hwan's father. Several minutes later, a huge lump of cash and a bloody corpse crash on top of their car. With only a split second to decide, there is no option left for them... Meanwhile, a dedicated young detective named Ji-hyung, suspects Sung-hwan, Woo-sup and Jin-won of hiding the money, and watches every move they make. In the meantime, the real thieves and a ruthless gang are looking to get their money back. After the case gets terminated, Sung-hwan, Woo-sup and Jin-won secretly go to the place where Sung-hwan stashed the money. They look inside a pit to discover a new surprise waiting for them.