Gordon Pinsent movies
A man coping with the institutionalization of his wife because of Alzheimer's disease faces an epiphany when she transfers her affections to another man, Aubrey, a wheelchair-bound mute who also is a patient at the nursing home.
Thinking this will prevent war, the US government gives an impenetrable supercomputer total control over launching nuclear missiles. But what the computer does with the power is unimaginable to its creators.
After a terrible day, two good friends and housemates find the outside world converted into a featureless and empty white void.