The play for the emotional line in the period of Anti Japanese War and Su Qi 's family three sisters of love and hate, tells the story of four brothers in the Qi separatist forces of the parties, driven by family conflict and other intangible force, embarked on a different path of the story. In 1938, the Eight Route Army cadres Qi Benxiao was ordered to return to his hometown of Guilin, just stop it when he was the eldest brother brigadier Qi Benzhong gun against the head. The military staff Qin Tianfu quickly stop, said Qi Benxiao is in accordance with the agreement to Guilin for the Eight Route Army offices, if the occurrence of the conflict will affect the overall situation. Qi Benzhong had to endure, but ten years ago, the Benxiao Qi behind a gun still so that he will not let Qi Benxiao brood on, threatened to leave alive. Military officer Liu Hantai witnessed Qi Benzhong and Qi Benxiao contradiction between the two brothers fight at outrance, but still worry about the impact of Qi Qi Benzhong by Benxiao, close to the Communist Party of the Eight Route Army, so Ambrose is too tight at Qi Benzhong, and launched a secret investigation.