Suspense (1949) : 5x13

Middle-aged Henry wants to divorce his London wife, Carol, and return home to America, but she intends to keep all of their savings. After striking up a romance with his young secretary, Henry sends out announcements saying Carol has unexpectedly died on an American trip. A friend of Carol's finds this suspicious and goes to Scotland Yard, forcing Henry and his secretary to hop a boat incognito and head across the Atlantic.