Rap sensation Bosco Champion is home from prison, and ready to dominate the music industry once more. But when his dutiful younger sister Vita’s own talent is discovered by Bosco’s rival, she steps out of her brother's shadow to become a performer in her own right, setting the Champion siblings against one another and tearing apart the whole family in the process. A love letter...。一个妈妈Sandra为了解决和自己丈夫的中年危机,决定和他的儿子打算突然去看他们在洛杉矶的丈夫/爸爸,给他一个惊喜。但是当车开到半路时,他们的车在在渺无人烟的地方发生了严重的车祸。先是因为玩智能手机,造成错误的操作,导致孩子被独自锁在当今非常先进自动化的防弹车子内。而Sandra必须与时间赛跑,从被沙漠的酷热包裹的汽车中救出自己的孩子,还要面对荒无人烟的沙漠,她必须同野狗和变化莫测沙漠斗争。最终母子2人的命运会是怎样呢?。