When Chelsea and her friends get in trouble with the cops, they flee the city and go on the run. Fueled by a hallucinogenic drug called Echo, they hope to lay low-and get high-in an old family hideout in the woods.However, Chelsea has reservations about going back to nature and secrets she’s not sharing with her friends. When a shot rings out, her past comes crashing back, and the punks find themselves pitted against the local authority- an unhinged park ranger with a real axe to grind…

萨曼莎和克拉拉这两位寄宿学校的学生假期不能回家已经够糟糕的了，但更糟糕的是，一个凶残的团伙在圣诞节前夕来到了她们的学校。