It is 1979 and Albertine, 10, and all her family members have gathered in Brittany to celebrate the birthday of her grandmother. Everyone thinks that the Skylab space station from NASA will fall on their heads this summer. The meeting turns into a crazy weekend full of revelations, love and song.

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.

An aging Chinese immigrant is swept up in an insane adventure, where she alone can save what's important to her by connecting with the lives she could have led in other universes.