Construction worker Douglas Quaid's obsession with the planet Mars leads him to visit Recall, a company that manufactures memories. When his memory implant goes wrong, Doug can no longer be sure what is and isn't reality.
Test pilot Tuck Pendleton volunteers to test a special vessel for a miniaturization experiment. Accidentally injected into a neurotic hypochondriac, Jack Putter, Tuck must convince Jack to find his ex-girlfriend, Lydia Maxwell, to help him extract Tuck and his ship and re-enlarge them before his oxygen runs out.
When secretive new neighbors move in next door, suburbanite Ray Peterson and his friends let their paranoia get the best of them as they start to suspect the newcomers of evildoings and commence an investigation. But it's hardly how Ray, who much prefers drinking beer, reading his newspaper and watching a ball game on the tube expected to spend his vacation.
