The Abbott family ? wife Evelyn, husband Lee, congenitally deaf daughter Regan, and sons Marcus and Beau ? silently scavenge for supplies in a deserted town. Going barefoot while out in the open, the family communicates in American Sign Language. Four-year-old Beau is drawn to a battery-powered space shuttle toy, but Lee takes it away due to the noise it would make. Regan returns the toy to Beau, who also takes the batteries that his father removed...