Alyssa Duncan is a beast on the soccer field.

As the Copperheads'' starting goalie, she might be the difference between a state title and total defeat—and she likes it that way. When a concussion takes Alyssa out of the lineup, her rising-star teammate Becca Miller takes over in goal. Becca turns out to be pretty good, too. And what seemed like a temporary change might not be so temporary after all. Will Alyssa heal in time for playoffs? And even if she recovers, what kind of beast will she have to be to knock Becca back to her old position?