Since you coming from HK, you may take a ferry to Macau ferry terminal. Thus, you can take the free shuttle of City of Dreams to enjoy the Bubble Show, then take bus no. 26A to New road and walk to visit Senado Square, St. Paul Ruins. After that, take bus no. 9a/18 to visit Macau Tower. Take bus no. 9a/18 back to New Road, transfer to bus no. 3,10 to Forum de Macau, and then walk to fishermen's wharf with 15-20 minutes.