 Alison buys a used car without consulting any men, including her boyfriend Bob and their friend Warren. On the dash is a switch marked "Gravity." Bob flips the switch, and all gravity, at least in L.A., disappears. They begin to float. Warren thinks about his girlfriend Laura who s over at the mall and may be in trouble. He grabs a fire extinguisher that s floating by and uses it to power himself toward Laura who has floated into the path of a jet airplane carrying plutonium. Can Warren save Laura? And what about the plutonium? Yipes!