1935年春，红军途经贵州某地布依族山区。连长万刚带领小分队到石门寨侦察，营救了被反动土司白山魈迫害的布依族姑娘刺莉。白山魈弃寨逃走。刺莉为报私仇，射死了白山魈的杀人工具“神虎”。红军为救济贫苦人民开展了分粮活动。巫婆迷娜乘穷人韦么叔的孙子误食生谷得了急病之机，掀起“退粮祭虎”风波。刺莉鲁莽地要捉迷娜，险些引起家族格斗。连长万刚及时赶来，揭穿敌人阴谋，教育了刺莉和布依族群众。为感谢红军，刺莉和群众决定将“红军万岁”四个大字刻在神岩上。红军帮布依族群众成立了石门赤卫队，刺莉当了队长。红军小分队离开石门寨后白山魈卷土重来，威逼群众铲除标语，并枪杀了韦么叔。为挽救乡亲，保护标语，班二公挺身赴险，将“红军万岁”深深地刻在神岩上。白山魈将班二公施以酷刑。刺莉和赤卫队员们为救班二公，智擒国民党派往石门寨的敌参谋长，并闯入虎穴，逼白山魈释放了班二公。红军小分队重返石门寨，同刺莉、班二公等赤卫队员们，一举歼灭了石门垭口的守敌。刺莉亲手射死了仇人白山魈。石门寨布依族群众送别红军，刺莉告诉红军：革命的火种已经深深地播在了山寨人民的心里。

In autumn 1948, during the Huaihai Campaign, Xie Yanfei, a reconnaissance chief, infiltrated Hekou City with driver Xiao Wang, using Lou A’mei as cover. Discovering the local Party organization was compromised, he sought his childhood sweetheart, Xia Cailian, who had joined the enemy’s service corps. They met secretly at Lou A’mei’s, but the enemy grew suspicious. After a firefight, Xie was wounded, and Xiao sacrificed himself. Xie escaped into a lake and was rescued by Xia Cailian, who recognized him as her former lover. Despite their past, Xie maintained secrecy and left without revealing their identities.