Sequel to 'THE BALL OF THE BUTTERFLY' - Now that Star and Marco are finally a couple, what trials and tribulations will the duo face? What is the mystery behind the purple glow of Star's wand? And what will happen when they run into an old foe? As it comes together, it falls apart. STARCO

Set before the events of Bon Bon the Birthday Clown - When Queen Moon tells her daughter that she must choose a suitor to arrange a near-future marriage with, Marco must pretend to be Star's boyfriend in order for her to escape such a huge decision at such a young age. But at what point do fake feelings become real when they must attend a ball on Mewni together? STARCO