In the wild west, two brothers embark on a journey to collect a bounty in a desperate attempt to save their home: but what they find along the way is more than they bargained for.
1948年9月，莫莉从南京到沈阳看望恋人林午阳，她并不知道，林午阳是东北督导室主任徐汉元少将直接领导的秘密特工，已打进“青年将团”内部。东野某纵17师直属特务营营长马龙在辽东独立师政委赵大钧的配合下，率部浴血奋战，抵御林午阳所在敌军的疯狂进攻，林午阳一筹莫展，被迫跟随败军向锦州撤退。