Take a nostalgic trip back to the late 1980s through the lives of five families and their five teenage kids living in a small neighbourhood in Seoul.

The story takes place in Seoul, 2011. Lee Yoon-sung is a talented MIT-graduate who's working on the international communications team at the Blue House. He encounters dangerous situations while solving a variety of cases, both big and small, for people who need his help, and eventually becomes a "city hunter."

The series follows the bittersweet relationship between a banchan shop owner whose daughter enters the war of Korea's college entrance exams, and a top hagwon instructor.

Go-ni tries his best to worship Pyung Gyung-jang as his teacher, and promises to stop gambling after winning his money back. But people's desires are endless.

So-Young (Oh Hyun-Kyung) is a famous announcer. One day, she meets Hyun-A (Ryu Hwa-Young) who was just raped. So-Young helps her to the police station and to the hospital to gather evidence. Soon, So-Young realizes her son Jin-Wook (Ji Eun-Sung) is the one who raped Hyun-A.

Yu-jeong is suicidal, yet she reluctantly goes to prison for volunteer work. There, she meets a prisoner who is waiting for death penalty. The two quickly fall in love despite their differences, yet they do not have much time.

After his son inadvertently killed a Korean girl in a hit and run accident, Hoh Yim travels to South Korea to reconcile with the victim's parents but learns far more about himself than he ever expected to.

Mrs. KWON has spent lifetime building a small home-made soup business into an empire with her bare hands. Now a retiring millionaire, she’s distributed most of her wealth among her children and is enjoying her life as an independent, tech-savvy granny. A band of less-than-professional criminals kidnaps her in a hope to make an easy fortune but their naïve plan goes all wrong, when the family of their difficult hostage is reluctant to pay the modest ransom of 50,000 dollars. Infuriated by this, Mrs. KWON takes the matter into her own hands and leads the pack in making the biggest kidnap case in history. Will she and her kidnappers be able to get their hands on the 50 million dollar ransom?

11-year-old Chan-yi is looking after his lovely younger sister So-yi, by himself ever since their mother left them to find her own future. Despite their desperate situation of being abandoned by family and neighbors, these kids try their best to carry on life. One day, a little puppy joins this small family as Chan-yi steals it from an old couple's kennel as a gift his sister's birthday.

After graduating from high school Min-seo fails to get into college. He spends the next year cramming for his entrance exam once again. Jeong-hun a university student fresh out of high school school.

At a prep school, a secret horror begins to unfold as the students begin to die.

During the Japanese occupation, a Korean modern boy, who wants to fit in with the Japanese, falls in love with a Korean freedom fighter.

Based on Oh Yu-kwon's novel, A Mountain Hut In No-Man's Land, in which a woman helps two men who seek refuge in her humble mountain home at the start of the Korean War. However, her generosity and kindness leads to her losing her family, house and land.