The crowd waiting outside is informed that a pope has been elected when the chimney above the Sistine Chapel billows out white smoke. “Conclave” works hard to be as realistic as possible.

Get all the news you need in your inbox each morning. Many are familiar with the final moments of a conclave, when the white ...

Conclave,” starring Ralph Fiennes as a Catholic cardinal helping to choose a new pope, has a twist ending that has stunned, baffled and moved audiences.