A cloaked unicorn crosses dimensions to the Dragonball Z universe, and uses the dragonballs to wish the three most terrible villains of that world back to life. With her second wish, she transports the Mane Six to that world with her. Now our six favorite little ponies must befriend Goku and company if they have any hope of fending off the alien monsters the mysterious unicorn sends after them, and finding a way to return to Equestria.