A high school student with amnesia tries to uncover what has happened to her. All leading her into deeper troubles ultimately revealing a darkness she could not have imagined.

After being kidnapped and imprisoned for fifteen years, Oh Dae-Su is released, only to find that he must find his captor in five days.

While a zombie virus breaks out in South Korea, passengers struggle to survive on the train from Seoul to Busan.

A married South Korean man with 4 kids gets fired for being honest. Same day the family's house etc. is frozen due to having guaranteed his brother's defaulted loan. The family changes during the month given to pay the debt.

In a world where criminals evade justice, citizens vote via text for the death penalty, executed by "Dog Mask" if over 50% agree.