Disclosure Day Ending Explained: Why Margaret Is Crucial To Exposing The World's Greatest Secret

The following contains spoilers for Disclosure DayDisclosure Day is Steven Spielberg's big return to the sci-fi genre, with the underlying mystery at the heart of the film delivering one of his most resonant thematic morals in years. The film centers largely around Emily Blunt's Margaret and Josh O'Connor's Daniel, whose mysterious connection is the key to unlocking a decades-long conspiracy.