Teen friends, Steve, Carrie, Cooper, and Gameboy embark on a weekend camping trip lead by their church youth group leader Stuart and his wife Beth. Joining them is an outsider Ashley, a self-involved rich kid, whose attitude causes a major commotion within the group, specifically between her and Carrie. Before it gets too out of hand though, Stuart takes this opportunity to share with the kids the incredibly powerful biblical story of Hosea; a story of immovable faith, impeccable commitment, and impervious love.

在高级的丹福思寄宿学校，最近发生了一连串奇怪的事件：很多学生无缘无故地病倒了。四名性格各异的女孩——有的聪明过人，有的擅长社交——决定联手展开调查。她们发现这些看似普通的感冒背后，其实隐藏着某种人为的恶作剧或者阴谋。通过观察那些别人忽略的“小细节”，这群少女侦探开始在校园的角落里寻找真相，试图在全校陷入恐慌之前抓住幕后黑手。