The Oscar winner offers details about the film, which delivered the most challenging role of Hathaway’s career during a shoot in Germany where people may have gone “temporarily, mildly insane.”

Anne Hathaway opened up in a new Vogue cover story about the making of “Mother Mary,” the upcoming A24 music drama from director David Lowery. Co-starring Michaela Coel, the film stars Hathaway as a pop diva who flees her tour during an existential crisis and seeks out the old friend who helped craft her public

Anne Hathaway has a secretive new movie called Mother Mary. But, what is it about and why are the details being so tightly held?