Ryan Hale, aka Replay, is the most successful running ?back in his high school's history. With university scouts making him offers he can't refuse, his future seems set. The problem is, Ryan would much rather go to film school. But his dad doesn't want to hear it. His teammates sure don't. He can't afford the application fees anyway. But then a solution appears when Markus, a strange exchange student with outrageous stories about mobsters and hackers, offers to pay Ryan to be his bodyguard. Things get complicated when Ryan realizes the stories may be closer to the truth than anyone imagined.

Josh is a gamer. After his parents' divorce and his move from Chicago to a small town where he doesn't know anybody, he copes by staying up way too late playing Killswitch online. Then he discovers a "mod" version of the game that is an exact reproduction of his new town. Strange things start to happen in the game, and they are somehow connected with events in the real world.

Sam wants to win, no matter what it takes. Bicycle racing is his sport and he has a gift for it—but his attitude keeps getting in the way. After his teammates give up on him, Sam is offered a fresh opportunity. Viktor, an aging Olympic racer, will coach him and maybe give him what he needs to be a winner. But there's a catch: Sam has to work as a bike courier at Viktor's company. The work is dangerous and intense, fighting traffic in the inner city to make deliveries at breakneck speeds. Then Sam is assigned by Viktor to the mysterious "dead run," delivering untraceable packages for an unknown client. Soon Sam is racing away from the law—and risks losing everything.

When Darwin's father went to prison for assault, his mom decided it was time to move him from his inner-city school to the elite Norfolk Academy. It was supposed to be a brand-new start for him. But old instincts die hard, and Dar is used to fighting for everything. Convinced by a new friend to take part in an illegal fight club, Dar starts competing in no-holds-barred matches between students. He quickly rises to become the best in the ring. When one match goes too far and a student is almost killed, Dar faces a choice. Everyone tells him he's a fighter, but he needs to decide for himself—who is he, and what is he fighting for?

Ever since he watched his little brother drown last summer, Dylan has felt like he's losing it. He can't shake the nightmares that plague him—dreams from which he wakes up screaming every night. Dylan takes a summer job at a remote wilderness hotel, hoping to leave his problems behind. But when he volunteers to help close up the resort for the winter, things only get worse. Edward, the hotel manager, seems to be out to get him. A freak snowstorm blocks the road to the resort, leaving them trapped for days. And Dylan keeps seeing a ghost that might be trying to send him a message—or maybe Dylan really is going crazy this time.