The film revolves around a poor family of 4 in Korea, who have to live crammed in a shabby apartment in the basement of a rental building. To make ends meet, they take a job folding pizza boxes with a meager salary, hungry, full, and even electricity is cut off. By chance, the son Ki-woo is introduced by a friend and becomes a friend. became an English tutor for the daughter of a rich family. Overwhelmed by that "flashy" world, he was greedy to be "a sparrow turned into a phoenix" and gradually planned to bring his family into that rich house. They gradually "grabbed" the family. through a variety of roles. However, besides being happy, many unexpected events occurred and made Ki-Woo's family life completely turned upside down. All unemployed, Ki-taeks family takes peculiar interest in the wealthy and glamorous Parks for their livelihood until they get entangled in an unexpected incident.

Source: SolarMovie