A wealthy New York investment banking executive hides his alternate psychopathic ego from his co-workers and friends as he escalates deeper into his illogical, gratuitous fantasies.

All unemployed, Ki-taek’s family takes peculiar interest in the wealthy and glamorous Parks for their livelihood until they get entangled in an unexpected incident.

The lives of two different families collide when their children begin a relationship that leads to a tragic accident.