After the wedding ceremony, Newt Scamander has been counting the days since when he has last seen New York, more precisely, Tina Goldstein. That is until Newt Scamander is sent off on another mission by Dumbledore when he comes across a rather pleasant surprise. But he soon has to face great danger and Gellert Grindelwald himself as he - the darkest sorcerer of all times - tries to destroy the muggles' world.