High school student 'Ji-eun' was the victim of the crime, but distorted online posts and malicious comments made her into the perpetrator in the public eye, driving her to take her own life. Her sister 'So-eun' finds detective 'Jun-kyung' to uncover the truth behind her sister's unfair death, and he begins hunting down a suspect in cyberspace. As clues are revealed one by one, the case grows from a simple rumor into a complex web of truth involving anonymous accounts.

A high school boy falls off of the top of a building and lapses into a coma. A detective and his school teacher attempt to get to the bottom of the incident.

The series revolves around the thoracic surgery department of a hospital.

Due to the Korean war, Oh Bok-Sil’s family becomes separated lose everything. Not to be defeated, they live with strength as they suffer great hardships.

Min-jae and Seo-yeon are no different from ordinary 17-year-old high school students. Min-jae is silent and sensitive, yet a good student. Seo-yeon who plays the piano wished to enter an arts high school but failed. As they grow into adults, their surroundings and the reality they face get harsher. These two somehow similar but different friends get closer as they overcome their growing pains together.