'Princess Mimi' and 'King of Penis' plan to die together. But their wish for a painless death is soon disrupted by a series of unexpected events.

On school picture day, Hana is offered ten thousand won for the sock she is wearing. Soon after, for reasons she can't quite explain, the money begins to weigh on her in an unsettling way.

Citizens from upscale Gangnam in Seoul start experiencing unusual and terrifying symptoms, devolving into inhuman creatures, leaving only a few survivors with the possibility to make it out alive.

A trans man documentarist named Joo-wan has been filming the bereaved families who keep vigil at a joint memorial altar built on a wasteland. But the altar is about to be removed due to the construction of a new apartment. On the night before the day of removal, Joo-wan’s brother Tae-hee comes and tell him their father died. Joo-wan meets his family after 7 years.

In a sea village, there is a high school freshman, Da-young, who broke up with her boyfriend after summer vacation. Da-young, who has to write the most memorable thing for her vacation homework, writes down the lies of that summer day, recalling her memories with her ex-boyfriend, Byung-hoon.