When Li Feng, a famous policeman in the Tang Dynasty, was leaving Beijing to arrest a thief, he suddenly received an order from the court to return to Chang'an quickly. Unexpectedly, someone planned to stop him on the way. Li Feng struggled to break out of the siege, but when he returned to the capital, he heard the news of General Xiao's death. Li Feng was ordered by the emperor. After careful investigation, he discovered that the murderer was Xiao Tong, the son of General Xiao.
The emperor was furious. Although Xiao Tong was a talented general, parricide was an unforgivable crime. Just when Xiao Tong was about to kill him, a young man named Xiao Dao came to the execution ground and revealed another truth...
The love between father and son, the love between friends, the love between king and minister, and the love between family and country. Three young men appeared in a whirlwind, explaining love and justice in another way.