An elderly rural couple sacrifices everything—smashing their woks and burying iron pots—to fund their son’s education and home purchase in the city. Yet for three years, he never visits them. After unexpectedly winning a 5-million-yuan lottery jackpot, they fake an illness to test his loyalty—only for him to ignore them completely and, together with his wife Li Lili, force them out into a torrential downpour, leaving them homeless on the streets...
