In the kingdom of Mewni, Princess Star Butterfly has finally turned 14 and is about to receive the royal magic wand from her parents.

She gets excited for the day and playing through causing a little bit of havoc. She receives the magic wand and her family's book of spells. However, leaving Queen Moon worries if the royal family made the right choice, to give the magic wand to Star. A spying Buff Frog secretly gathers information about the ceremony and returns back to his master, Ludo. He plans to steal the wand, because he believes it is vulnerable under the possession of the new holder.

A few days later after the ceremony, the grand Silver bell ball was about to begin. Star talking to her mom saying she's not into this year's ball, for one-factor Pony Head is not going to be there and two she has to wear a pink dress. Just as to sit down to what she thinks to be "The most Boring Ball ever!" She then ate her words when she sees... Prince Tomas Lucitor of the Underworld, a dashing looking demon who she can describe not a bird, mukwald, fish-person, or a relative. Her first introduction went kind of awkward since she tripped and pretended to dust off dirt on her dress.

Outside of the ball, Ludo and his army were preparing for their attack plan to steal the wand as soon as the party is over. After a wonderful time at the ball, Tom asked Star if they can go out for some corn shakes by the boardwalk.

When the ball was over, Ludo made his move. He introduced himself as Ludo and yelled, "I command you to give me the wand!" The monsters made their move to attack. Queen Moon even acted to call out the guards to attack as well, but Star immediately took part and commence the spells she made up on her own, including the rainbow fist punch, Winter storm hyper blow, Narwhal blast, and a talking Broom (which was in terms to be really useless). Ludo commences surrendering as find that Star was a fast learner. And Queen Moon prevents to Star to know what was she thinking and for sure not make this happens again she ideas to sends Star off for her to been hidden from the monsters. But Star pledged she won't do it again. It was then decided to be a warning.

To be continued...