Anika and Charly are volleyball teammates from opposing teams. Every year, the teams play pranks on one another. When Anika's volleyball partner is discovered dead, things begin to spiral out of control. As the season progresses, Charly becomes the target of some outrageous pranks, with all signs pointing to Anika. Charly's teammates are also suspicious. Charly now only trusts Becky, her new friend and the team's intern. Charly and Anika are trapped in a cabin together and must figure out who is out to get them.