Double Impact

In Hong Kong during the year 1966, business partners Paul Wagner and Nigel Griffith open the Victoria Harbour Tunnel. Paul attends with his wife Katherine and their identical twin infant sons, Chad and Alex. After the celebration, the family is followed home by their bodyguard, Frank Avery, whom they dismiss. Once he leaves, a Triad hit squad follows them. A shootout ensues, in which Paul is killed. Katherine begs the Triads to spare the twins but is killed by Moon, the top henchman. Their maid is able to escape with Alex and Frank eventually saves Chad; the maid leaves Alex at a Hong Kong orphanage and Frank raises Chad in France.