战国时期，征战连年。齐国大将田忌的女儿田夕（景甜饰）巾帼不让须眉，以女儿身征战沙场，她率领大军和魏军展开激战，原本以她的计谋胜利在望。不曾想半路杀出了程咬金，当时名不经传的孙膑（孙红雷饰）设计大败齐军。田夕为洗战败之辱，拼尽全力生擒孙膑，原本准备用他来祭奠战死的将士。谁知齐王一道命令赦免了孙膑的死罪，孙膑摇身一变成了齐国的座上宾，并在河洛大会上用计谋赢得赛马，从此名声大噪。孙膑偶遇已成魏国大将的同门师兄庞涓（吴镇宇饰）。庞涓用三座城池从齐国手上换回孙膑，孙膑为报答师兄的救命之恩，甘愿为他卖命，却不知因为他身怀绝世兵法而种下祸根。庞涓、庞妃（金喜善饰）、魏王对兵法虎视眈眈，孙膑深陷权力的争斗之中，一场战争即将爆发

During the Warring States period, there were years of fighting. Tian Xi (Jing Tian), the daughter of Tian Ji, a general of the Qi State, is a heroine who fights on the battlefield as a daughter. She leads the army to start a fierce battle with the Wei army. The victory is in sight with her strategy. Unexpectedly, Cheng Yaojin was killed halfway, and the little-known Sun Bin (played by Sun Honglei) designed to defeat the Qi army. In order to wash away the humiliation of defeat, Tian Xi tried her best to capture Sun Bin alive, originally planning to use him to commemorate the soldiers who died in battle. Unexpectedly, the king of Qi ordered to pardon Sun Bin's death crime together, and Sun Bin suddenly became the guest of Qi, and won the horse race by tricks at the Heluo Conference, and became famous ever since. Sun Bin ran into Pang Juan (played by Wu Zhenyu), a senior fellow student who had become a general of the State of Wei. Pang Juan exchanged three cities from the Qi State for Sun Bin. In order to repay his senior brother for saving his life, Sun Bin was willing to work for him, but he didn't know that he planted the root of disaster because of his unparalleled military skills. Pang Juan, Concubine Pang (played by Jin Xishan), and the King of Wei stared at the art of war. Sun Bin was deeply involved in the struggle for power, and a war was about to break out