Choi arrives at a new high school to work as a student-teacher. During her first day at work, the teacher that she is assigned to work with, Lim, hits on her in a very brash way.
Deliveryman Jong-su is out on a job when he runs into Hae-mi, a girl who once lived in his neighborhood. She asks if he'd mind looking after her cat while she's away on a trip to Africa. On her return, she introduces to Jong-su an enigmatic young man named Ben, who she met during her trip. One day Ben tells Jong-su about his most unusual hobby.
In the Joseon Dynasty, two friends who grew up together — one the master and one the servant — reunite post-war as enemies on opposing sides.
Screenwriter Kyung-ju and private academy instructor Minjae have been married for 5 years. One day, one plate in a pair goes missing, and Kyung-ju thinks Minjae is to blame. But when Kyung-ju asks if he’s broken the plate and thrown it away, Minjae argues there was only one to start with.
Young-il is a plotter who manipulates murder-for-hire cases to look like accidents. Nobody knows those accidents are in fact perfectly plotted, planned murders. After finishing a flawlessly plotted case with no trace of evidence left behind, Young-il receives a new request. His new target is a prominent political figure who is always under the spotlight. Even with the higher risk of getting exposed, Young-il decides to take the case with his team members, Jackie, Wol-cheon, and Jeom-man. When the plot is ready after immaculate preparation and numerous rehearsals, the team finally makes its move, but some unexpected trouble threatens Young-il’s perfect plan.
Se-jeong, a biotechnology professor, attends a biotech conference—only to witness it spiral into catastrophe when a rapidly mutating virus is unleashed. As the outbreak spreads and the infected begin to transform, authorities seal off the entire facility, trapping the survivors with an ever-growing threat…
Mi-sun and Do-kyung might be used to struggling in the most dangerous part of Seoul's Gangnam district, but that doesn't mean they've settled into it. With no one but each other to rely on, the two friends grind away to save the money needed to leave their dangerous lifestyles behind. But just as "retirement" comes within reach, the world betrays them, shattering their hopes. On the edge of a dead end, they discover a hidden fortune of dirty cash and gold in Gangnam – and place all their bets on one final high-stakes gamble of a lifetime.