While investigating a terroristic threat that goes viral online, Korean authorities discover that a suspect has recently boarded an international flight bound for the United States. When a healthy passenger on the same flight suddenly dies a gruesome death of unknown cause, panic erupts both in-flight and on the ground. With steadily decreasing fuel and international refusals to offer aid, the captain and crew will be forced to take unprecedented emergency measures in an attempt to save the lives of their passengers.

An 18-year-old boy named Haewon hates his father for being unfaithful to his mother. In the same apartment block, Ha-young becomes an orphan after her father passed away. One night, they decide to take revenge on the irresponsible adults.

'Monster Cop' Ma Seok-do investigates an illegal online gambling business led by a former STS Baek and an IT genius CEO Chang. Ma proposes an unexpected alliance to Jang and begins hunting down the criminals.

Da-ye returns to their hometown to help their mother, and encounters a student who is two months behind in his payments.

For generations, the eldest son of the village has been the protector, but the current heir, Dr. Cheon, is a fake exorcist who doesn't believe in ghosts. Using his penetrating insight into people's minds, he performs fake exorcisms and resolves cases brought to him. However, Yoo-kyung, a client who can see ghosts, approaches him with an offer too tempting to refuse. With his assistant In-bae, Dr. Cheon heads to Yoo-kyung's house, and gets involved in a series of strange phenomena. As they delve into the mysteries there, they uncover the secrets of a talisman known as 'Seolkyung'...

Hyun-jae, a 16-year-old escaping her abusive father, manipulates Hae-in, a woman searching for her missing daughter, into taking her in as a replacement. Over the summer, Hyun-jae bonds with Hae-in, finding peace through her love for singing, but becomes obsessed with becoming Hae-in's new daughter. When Hae-in learns her missing daughter may have been found, Hyun-jae, despite her fears, makes a selfless decision to accompany her, realizing she can't replace Yun-seul.

Do-eun, a door-to-door saleswoman in her thirties, visits the home of a former classmate with whom she has little to no rapport, simply to make up for her unsatisfactory sales performance. A few days later, the classmate's mother, Su-jung, comes looking for her.

The story of the journey of married couple up the social latter. The husband is professor at Seoul National University who is running for the National Assembly, and his wife is a painter.

A success-hungry lawyer finds himself unable to turn his back on a suspicious case involving a child who claims she murdered her brother.

The lover of a ruined actor announces that she is leaving him to marry someone else; while a young woman becomes the subject of various rumors after denouncing her boyfriend for violence.