A man with a low IQ has accomplished great things in his life and been present during significant historic events—in each case, far exceeding what anyone imagined he could do. But despite all he has achieved, his one true love eludes him.

At the height of the Vietnam war, Captain Benjamin Willard is sent on a dangerous mission that, officially, "does not exist, nor will it ever exist." His goal is to locate - and eliminate - a mysterious Green Beret Colonel named Walter Kurtz, who has been leading his personal army on illegal guerrilla missions into enemy territory.

Enraged at the slaughter of Murron, his new bride and childhood love, Scottish warrior William Wallace slays a platoon of the local English lord's soldiers. This leads the village to revolt and, eventually, the entire country to rise up against English rule.

In Casablanca, Morocco in December 1941, a cynical American expatriate meets a former lover, with unforeseen complications.

A pragmatic U.S. Marine observes the dehumanizing effects the U.S.-Vietnam War has on his fellow recruits from their brutal boot camp training to the bloody street fighting in Hue.