Follows a pair of siblings who love but distrust each other as they embark on a white-water rafting trip with a small group. One of their friends from childhood turns out to be more dangerous than he appears.。天性善良,性格刚强的黄壮浩出生于1977年7月7日7时7分,因此,他固执地将“7”视为幸运数字,认为自己的命运与数字“7”紧密联在一起。高考落榜后,他提前股役参军。退伍后,黄壮浩便倾其全部精力等待自己生命中的女孩。。