A father and his son are named as the best in Kung Fu. One day, they receive distress signal from the predecessor, then they start their adventure in Hong Kong....

Officer Li Jian became friends with a kindergarten student Bobby who was badly injured in an accident, which made him hate street racers even more. Billy, a spoiled young man from a rich family, constantly broke traffic rules, even knocked down a traffic police to death. Bill was at large under the protection of his father, but Officer Li found a way to deliver justice. ...

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