Journalist Sang-jin uncovers the existence of the so-called 'Troll Factory' while investigating an online public sentiment manipulation story, and is confronted with an unbelievable truth.

Korea, 1645 - Joseon Dynasty: a partially blind and gifted acupuncturist, Gyeong-su, is invited to work alongside the royal physician in the palace of King Injo, just before the crown prince Sohyeon returns after having been held captive by the Qing Dynasty. Prince Sohyeon and his father begin to differ in opinion on the future direction of their dynasty, leading King Injo to suffer from severe anxiety and paranoia. One night, Gyeong-su witnesses prince Sohyeon's death. Disbelieved as a witness on account of his blindness, Gyeong-su must struggle to reveal the truth while not falling prey to the power-hungry conspirators of the palace.

Aging assassin Hornclaw has seen it all, but she never expected to mentor a reckless rookie like Bullfight. As their unlikely bond deepens, cracks form in the underworld they navigate together. When Hornclaw discovers someone wants her dead, she's thrust into a deadly game of deception. With enemies closing in and trust in short supply, survival means staying sharp—both blade and mind.

A group of unhappy strangers decide to end their lives together, but soon they find that their plan is flawed after one of them turns out to be a beautiful woman.

Korean War, September 1950. In order to fight the enemy forces based in the South of the peninsula, General MacArthur orders the start of the Incheon Landing Operation, deploying diversionary attacks in other locations. Without real military forces to spare, 772 very young Korean student soldiers, barely trained, are sent to Jangsari Beach, where they will face a heroic fate and discover the value of friendship. (A sequel to Operation Chromite, released in 2016.)

Kim Ji-young, an ordinary woman in her 30s, suddenly shows signs of being inhabited by other women from her life, past and present.

Trainee policeman, 'Sung-min' and job seeker, 'Jun-hyeok' were suspicious about a suicide incident of a girl who lived in the same dormitory, and they will be tracking her SNS account with the help of a private detective agency hacker, 'Nu-ri'. The investigation which started out of chivalry leads to uncontrollable consequences. These three people, Jun-hyeok, Sung-min, and Nu-ri become targets of SNS crime.

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.