The young Arthur runs the back passages of Londonium with his crew, not knowing his royal lineage until he grabs Excalibur. Instantly confronted by the sword’s influence, Arthur is forced to make up his mind. Throwing in with the Resistance and an enigmatic young woman named Guinevere, he must learn to master the sword, face down his demons and unite the people to defeat the tyrant Vortigern — who murdered his parents and stole his…

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.