2010年2月24日，美国弗洛里达海洋世界发生了一起令人始料未及的惨剧。资深驯鲸员道恩·布兰切（DawnBrancheau）突然被一只名为提里库姆的雄性虎鲸拖入水池，短短几分钟内这位拥有灿烂笑容与和善感染力的女性便被朝夕相处的虎鲸伙伴杀死。此案震惊全国，但从案件关系人的口中，却发现这一切绝非偶然，一连串令人齿冷的证据揭示了施暴者和遇难者彼…

Alexandra reluctantly tags along for Slasher Sleepout, an extreme event that is part camping trip, part haunted house, and part escape room. But when the fun turns deadly, Alex has to play the game if she wants to make it out alive.