In a world where an AI programme allows people to communicate with their deceased loved ones, a flight attendant and a mother question the meaning of reality and humanity.

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…

Ji-woo, an outcast at a prestigious private school, meets Hak-sung, the school janitor who is actually a mathematical genius who defected from North Korea.

Returning from eight years abroad at work and in prison, Jeong-il struggles to reconnect with his wife and their young daughter, Ye-sol, whom he barely knows.

Set against the haunting backdrop of a small lake town, this chilling thriller unravels a meticulous revenge set over a period of 7 years, all beginning with the accidental death…