一名植物学家花费了8年的时间通过太空飞船Valley Forge保存着地球上带出来的植物标本。当接到命令要摧毁标本并返航的时候，他劫持了飞船......

　　While on a hunting trip in the isolated wilderness, a father and his adopted teenage son are turned into the prey of unknown assailants. They are unexpectedly joined in their fight for survival by a...