Half a year has passed and Shirokin Gakuen has closed down. Yamaguchi Kumiko (Nakama Yukie) finds herself a teacher of a few young kids who don't really benefit much from her style of teaching. Through some twist of fate, she is offered a job as a teacher in Kurogin Gakuen. She becomes the teacher of a delinquent 3D class which make her previous students look like angels. In order to protect her job, she must again hide her true identity — the fact that she is the 4th generation of the Oedo Family, a prominent yakuza group.

This drama tells the success story of Han Jung Won, a workaholic careerwoman who is determined to make her own way in life without the help of her family, which has garnered considerable wealth from their publishing company. Her life is turned upside down due to someone's mistake, and she faces numerous setbacks on the road to recovery.

Bai Shi Zhou, who majored in clinical medicine and was trained by the state, became a rural doctor in Xiancao Village. Li Chang Sheng, an old Chinese medicine doctor in the Xiancao Village Clinic, has been practicing medicine for several generations and is famous far and wide. Soon, two doctors, one old and one young, have launched a battle between Chinese and Western medicine in a clinic.

Ahn Dae Sung has excellent memory. Even though he failed his exam to become a 9th grade public official for 3 years, he is still studying to pass that exam. He works part-time at MS Mart in the outskirts of Seoul, which his mother owns. His girlfriend is Ah Hee, who works as a police officer. Both his mother and girlfriend are supportive of him.

One day, a mysterious murder case takes place near an apartment building. MS Mart is located close to the murder scene. Ah Hee investigates the murder case by herself. Soon, Dae Sung and his mother, Myung Sook joins her investigation. The only clue of the murder case is a receipt that was issued from MS Mart.

Adapted from the novel of the same title by Kang Ji Young.

Do Jung Eun works as an industrial health doctor. She partners with Doctor Heo Min Ki to uncover the truth related to industrial accidents, diseases and other incidents that take place at industrial sites. Do Jung Eun seeks out the truth which the TL Group wants to cover up.

Early in his reign, King Se Jong accidentally causes the death of his in-laws and their slaves in an attempt to save them from his brutal father, King Tae Jong. Two young slaves, Ddol Bok and his friend Dam, survive but neither knows the other has. Ddol Bok blames the king and vows to kill him to avenge the deaths of everyone he loved. He spends several years becoming a great warrior. Dam, who has a photographic memory, becomes a court lady called So Yi, but she feels so guilty about her role in the other slaves' deaths that she is mute.

Ddol Bok returns to the palace under the name of Kang Chae Yoon in order to kill the king. However, he becomes embroiled in the mystery surrounding the deaths of several Hall of Worthies scholars. The deaths were caused by a secret society called "Hidden Root," which was created long ago by followers of Jeong Do Jeon, with the goal of giving more power to ministers and less to the king. King Tae Jong killed Jeong Do Jeon and all of his family except his nephew, Jeong Gi Joon, who is now the leader of Hidden Root and lives in disguise not far from King Se Jong.

This drama tells the story of a man and a woman who are both frozen during an experiment. They wake up 20 years later instead of 24 hours later and must keep their body temperature above 30°C in order to survive.

Ma Dong Chan is known in the entertainment world as a “hit maker.” A very successful producer of variety programs when every project he attaches himself to turns into a ratings juggernaut, Dong Chan is considered “a manly specimen of manhood, with perfect physical and handsome features who is coldly cool in work and hot in love.” The broadcast station where PD Ma’s productions are filmed also employs part-timer Go Mi Ran, who finds herself in a bind with debt collectors harassing her family for repayment of her family’s debts.

Mi Ran eventually becomes involved with PD Ma’s new variety program entitled “24-Hour Frozen Human Project,” which revolves around an experiment where a man and woman are randomly chosen to be “frozen human specimens” and scheduled to be brought back within 24 hours of their entering the freezing chambers. In order to pay off her family debts, Mi Ran accepts an offer of 5 million won (approx. $4,200 USD) in exchange for being frozen for 24 hours. Due to a mysterious conspiracy, instead of being frozen for 24 hours, they remain frozen for 20 years. Their thawing 20 years later bring up personal difficulties that were in place before entering the freezing chamber that they must resolve before resuming their normal lives.

A story about the little people in society who join hands to help an actor regain his fame and find warmth with each other during trying times.

Hao Ze Yu debuted 10 years ago through a talent competition. The years have not treated him kindly as he is now considered a has-been. He meets an unconventional team comprised of the beautiful, middle-aged Niu Mei Li, the chubby and unemployed Fu Zi and Fu Zi's dad who works as a driver.

The three are determined to turn Hao Ze Yu into a big star. Through a stroke of luck, Hao Ze Yu gets his shot at stardom which ignites a series of events. The interim family unit is in danger of falling apart as romance complicates Hao Ze Yu's choices between personal interest and family.

Adapted from a novel with the same title by Zi You Ji Guang.