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.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.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.