Assigned to investigate the deaths of several government workers and a series of suspicious plane crashes, federal agent Neil Hamilton goes undercover as an airline executive and discovers a sabotage ring is behind the disasters. But when he falls for a beautiful spy, Hamilton's job gets dangerously complicated. Underrated wartime thriller co-stars Doris Day (not the singer), Victor Varconi, Charles C. Wilson. Standard; Soundtrack: English. Plays All Regions.