Lin Wanzhi was originally an ordinary singer who accidentally got involved in the intelligence battle between the Communist Party and the Japanese army. In order to fulfill her promise to her deceased friend, Lin Wanzhi faced a perilous situation and worked step by step to find the Communist Party's liaison from the mixed crowd in the concert hall and spread the intelligence.
Lin Wanzhi was originally an ordinary singer who accidentally got involved in the intelligence battle between the Communist Party and the Japanese army. In order to fulfill her promise to her deceased friend, Lin Wanzhi faced a perilous situation and worked step by step to find the Communist Party's liaison from the mixed crowd in the concert hall and spread the intelligence.