Star surprises Marco with tickets to a Love Sentence concert, but also invites Jackie. When Star and Jackie start having fun together, Marco starts to feel jealous and wants them to go on without him, but Jackie convinces him otherwise. At the concert Jackie and Marco engage in a kiss, which results in Star running off out of jealousy. As Star leaves the concert, she fires a blast of tainted magic, destroying a billboard.
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.