Centers on a rivalry between brothers and military strategists Sun Bin and Pang Juan. Jealousy rages in Pang, and after securing a powerful military general position, he frames Sun for treason. Sun is branded a criminal and becomes a prisoner. In order to escape, Sun feigns mental instability and soon becomes his brother's peer as a top strategist and statesman. Both men meet again on the battlefield, leading armies against one another in a fight to the death.