Rhombulus senses an anomaly in the universe's magic, and when he suspects Star is the source he brings them to the Chancellor of the Magical High Commission.
After having skirmished with a number of dangerous monsters, Star Butterfly arrives on Earth to live with the Diaz family. However, rather than living a normal life, Star continues on having to battle villains both throughout the universe and in their high school, although if only to protect her extremely powerful wand, an object which she is still confused with.