The emperor held a martial arts competition to find a husband for his only daughter, and the barbarians aimed to win the top prize. The emperor sent the expert Qin Wu to test the young men. Su Yu, the son of the Marquis of Zhenbei, appeared dissolute but was actually enduring hardships to avenge his mother. During the test, he severely injured Qin Wu and gained the qualification. On the martial arts arena, he defeated the barbarians with one punch, shocking everyone and revealing his astonishing hidden identity.
