The film mainly tells the story of the New Fourth Army in Jiangnan in 1942, with the brutal battle between the old and Japanese puppets, and the Kuomintang army was around.Kuomintang general Hao Junjie (played by Li Xuejian) expected that the Kuomintang and the Communist Party would have a battle in a few years, so he planned and implemented the "Golden Sun Plan" to borrow a 31st Regiment of the 7th Division of the Wang Puppet Force that surrendered to the New Fourth Army to defeat the New Fourth Army in Jiangnan from within.When this carefully designed and extremely dangerous crisis came, the commander of the New Fourth Army, Che Daokuan (played by Hu Jun), led a team to the 31st Regiment for adaptation, and with extraordinary vigilance and courageous actions, he gradually realized the enemy's conspiracy.In the end, he led his comrades to fight for the bloody path, changed the battlefield pattern and won the victory at the critical moment.The plot of the drama is full of suspense, and climax scenes are coming one after another.More than 70 characters in the play are all played by powerful actors.