Ki-woo, a husband and a father of two children, is homeless and stays in highway rest areas. The family lives off by scamming passers-by, asking them if they can borrow some gas money. They move on to another rest area after they succeed in their scam. Meanwhile, Yeong-seon, who lost her son in an accident few years ago, is on her way to visit her son’s grave when she meets Ki-woo’s family. Out of pity, she lends them $70, but discovering their lies, she reports the family to the police..