Three sisters live together in a large house in the city of Kamakura. When their father – absent from the family home for the last 15 years – dies, they travel to the countryside for his funeral, and meet their shy teenage half-sister. Bonding quickly with the orphaned Suzu, they invite her to live with them.

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.

In 1980s Italy, a relationship begins between seventeen-year-old teenage Elio and the older adult man hired as his father's research assistant.