The summer before college, bright-yet-irreverent Elliott comes face-to-face with her older self during a mushroom trip. The encounter spurs a funny a

　　从小就不合的两兄弟终于在老家阿拉斯加团聚，他们开始了一段2天的野外徒步旅行，怎料却惹上了一只巨大的灰熊，人熊大战就此展开.....