一群朋友去一枪指导课程的沙漠和意外释放动力如此巨大，它压倒了他们的家人和朋友，必须与世界的命运之间选择。
A group of friends go to the desert for a gun instruction course and accidentally unleash a power so great it overwhelms them where they must choose between family and friends versus the fate of the world.
