A Thief in the Night(1972)

...and there will be no place to hide.

Patty, a young woman caught up in living for the present with little concern for the future, awakens one day to find her husband missing and the radio reporting that millions of people around the globe have mysteriously vanished. As dramatic, earth-shaking events begin to unfold around her, Patty realizes she is living in the end times spoken of in biblical prophecy.