The film is structured into three episodes: "Goblin Frequency," "Electric Brain," and "Life Water." The protagonists of each episode face harrowing experiences: a fisherman loses his life to the pond's ominous aura, a Bitcoin miner loses his mother by following computer instructions, and a person experiences bizarre physical changes after drinking the pond water.
When the police refuse to investigate their daughter’s alleged suicide, two computer-illiterate parents decide to design a protest banner. Based on the infamous Miryang case in South Korea which shocked the nation in 2004 and continues to fuel public outrage even today.
Mi-joo, a telemarketer, begins an ominous day on her way to work, with her ankle sprained by a motorcycle and got called out by the team leader at the morning meeting. The name "Hyeon-soo" that comes across the phone reminds me of "Hyepn-soo," who left the company after a fight. A middle-aged woman approaches Mi-Joo, who returned home struggling with her injured ankle. "I'm Hyun-soo's mom." Hyeon-soo, who lives with Mi-Joo, leaves home after a quarrel. He visits a bank to check the piling credit card debts and while writing his resume at a computer shop, he discovers his parents’ growing age. Hyeon-soo, who visited the university club again, recalls the days when he first met Mi-joo and began to love her after discovering her short film. Just in time, Hyeon-soo bumps into his young juniors and offers to shoot something with a camcorder. How do you remember someone's last expression?
'Geon-woo', brutally trampled by Daejinbuk High's best 'Sang-goo', vows revenge as he practices martial arts. After hearing about 'Geon-woo's comeback, 'Sang-goo' immediately starts to threaten and ask for bribes. To stop 'Sang-goo', they fight head-to-head. To determine who is the real 'best', the bloody fight begins!