Ransom is a 1974 film starring Sean Connery and Ian McShane and directed by Finnish director Caspar Wrede. The plot concerns a group of terrorists who try to extract a large sum of money from two governments.
A small group of terrorists have seized the British ambassador to the fictitious country of Scandinavia, and are holding him hostage in his residence. Scandinavias head of security, Col. Nils Tahlvik Sean Connery, wants to take an uncompromising position, but he is overruled by the governments of both Scandinavia and Britain, who insist that all of the terrorists demands be met.A passenger airplane arriving at the airport of Scandinavias capital city is hijacked by another small group of purported terrorists, led by Ray Petrie Ian McShane. The airplane ends up parked on an isolated taxiway, and Petrie demands that he be put in touch with Martin Shepherd John Quentin, leader of the group holding the British ambassador hostage. Petrie, who is known by Shepherd, convinces Shepherd that his group and his hostages should leave on the hijacked airplane, not on a military plane as originally planned. ........
Source: Wikipedia