Dirt

"Dirt" takes place in an apocalyptic setting in the near future. Dustin, the main character is separated from his wife, Sandi, during an all out nuclear holocaust while he is on a SPECOP mission for the US Government. He loses his memory of before the blast and it takes him years to recovery his memory, having only short term memory for a while. During this time of lost memory, he operates on instinct, his body knowing what he needs to do to survive. Dusty overcomes the odds, as does his wife, and they find each other, Dusty's memory eventually returning.