The Hostages 1997 one on netflix

Holidaying in Asia, Australian backpackers Joanne and Richard are hauled off a train and taken as hostages by Cambodian rebels. A ransom demand is made on the Australian Government for their release. The Government refuses to pay. Also kidnapped is French couple Louise and Pierre who are confident a French mining company for whom Pierre works will pay the ransom. When Richard and Pierre are executed, Joanne and Louise know their days are numbered and plan their escape.