Applegate Bogdanski returns from Vietnam with a missing leg, a Purple Heart, and an addiction to morphine. He stumbles through each day, looking forward to nothing and hoping it will arrive soon. When he attempts to thwart a crime, he is knocked unconscious and wakes up to discover that people are once again calling him a hero, though he feels undeserving of the praise.

Apple returns to work and meets Angela, a mysterious woman who claims to be his guardian. Immediately, he feels a connection to her, which morphs into an attraction. But he soon discovers that Angela is much more than she seems.

Apple and Angela are swept up in a conspiracy that stretches through time and space. Together, they must fight to save everything they hold dear from an alien race bent on destroying humanity.