Prince Qin was order by the late emperor to lead the army to fight them. The Prince and Father were friends since they attended the academy. So father agreed to help, when the Prince came asking for help. They fought fiercely and viciously against the enemy army. But due to the enemy advantage in numbers they come close to winning and killing Prince Qin. However due to the efforts of Father, The prince manages to escape at the cost my father being taken captive. He was spear because they wanted to use him for ransom.