Seventeen-year-old Greg has managed to become part of every social group at his Pittsburgh high school without having any friends, but his life changes when his mother forces him to befriend Rachel, a girl he once knew in Hebrew school who has leukemia.

Sutter Keely lives in the now. It's a good place for him. A high school senior, charming and self-possessed, he's the life of the party, loves his job at a men's clothing store, and has no plans for the future. A budding alcoholic, he's never far from his supersized, whiskey-fortified thirst-master cup. But after being dumped by his girlfriend, Sutter gets drunk and wakes up on a lawn with Aimee Finecky hovering over him. She's different: the "nice girl" who reads science fiction and doesn't...

In 2525, as mankind has begun to colonise space, a group of cadets are training to fight against human insurrectionists. One of these cadets, Thomas Lasky, has doubts about his abilities as a soldier and his convictions for this war. Whilst he struggles with himself, the planet is invaded by an unknown alien race. Reeling under the assault, Lasky and his squad mates are rescued by John-117, one of the UNSC's legendary SPARTAN-II super-soldiers. John must inspire Lasky to fulfill his potential as...