After the leader of Qingdao CPC was trapped by enemy, a new leader comes. He makes efforts to save the predecessor and find out the traitor.

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.

Police attempt to stop Nationalist agents from destroying public buildings in Ruancheng after the Red Army occupies the city.

周航（郭旭新 饰）是一名清洁工，一次偶然中，他邂逅了一位名为晚霞（王惠 饰）的姑娘，美丽温柔的晚霞很快就俘获了周航的心，为了接近晚霞，周航不惜谎称自己是一名大学生。就这样，周航和晚霞最终走到了一起，展开了一段非常甜蜜的恋情，甜蜜到周航经常会忘记，这段感情是建立在谎言之上的。 某日，晚霞震惊的发现自己怀孕了，重新镇定下来的晚霞毅然决然的和周航分了手，因为比起结婚生子，她还有更重要的事情要去完成。失恋带给周航的心灵非常沉重的打击，在这个节骨眼上，服装店女经理牟英（庞敏 饰）出现在了周航的身边。