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.

Tony Lip, a bouncer in 1962, is hired to drive pianist Don Shirley on a tour through the Deep South in the days when African Americans, forced to find alternate accommodations and services due to segregation laws below the Mason-Dixon Line, relied on a guide called The Negro Motorist Green Book.