In 1926, Newt Scamander arrives at the Magical Congress of the United States of America with a magically expanded briefcase, which houses a number of dangerous creatures and their habitats. When the creatures escape from the briefcase, it sends the American wizarding authorities after Newt, and threatens to strain even further the state of magical and non-magical relations.

Home for the holidays, Adam longs for the magic of his childhood. Amid the chaos of the annual Foxhall Village Christmas party, he dodges relatives, evades the political turmoil, and-surprise!-falls for his childhood friend.