Singapore is a 1947 American romance film directed by John Brahm and starring Fred MacMurray and Ava Gardner. The film was remade as Istanbul 1957 with the location moved to Turkey, and Errol Flynn and Cornell Borchers in the starring roles.
Giving up, Gordon retrieves the pearls from his old hotel room and hides them in the luggage of the current occupants, American tourists Mr. and Mrs. Bellows Porter Hall and Spring Byington. Hewitt questions and searches him after seeing him exit the room, but discovers nothing. However, he informs Gordon that Ann Van Leyden is missing.Gordon goes to Mauribus. He deceives Mauribus and Sascha into believing that Linda double crossed him and has the pearls. They take him, at gunpoint, to her. He pulls out a gun taped to his ankle and dispatches the two crooks. In the excitement, Ann is knocked unconscious. Gordon takes her back to her husband. ........
Source: Wikipedia