Fantastic Beasts. The Crimes of Grindelwald. The Original Screenplay

The powerful Dark wizard Gellert Grindelwald was captured in New York with the help of Newt Scamander. But, making good on his threat, Grindelwald escapes custody and sets about gathering followers, most of whom are unsuspecting of his true agenda: to raise pureblood wizards up to rule over all nonmagical beings