When Ed Anderson discards his life to become a homeless person, he has no idea of the shit storm about to happen. Almost overnight, the city's homeless population spikes. So does the murder rate. Ed learns that aliens posing as homeless people are eating the city's wealthiest residents. He tries to warn the police, but they think he's crazy. The situation is worse than Ed describes, though. He's right about the aliens. They're here to free humans...