A young wizard accidentally conjures a spell that puts her family in jeopardy.

While trying to prove to her family she can be mature and responsible, teen wizard Alex Russo conjures up a spell to rid herself of her bad qualities, unintentionally creating a Good and Evil Alex. When Evil Alex gets involved in a plan to take over the world by a dark wizard, Good Alex must find a way to save her family, humankind, and ultimately herself in an epic Good vs. Evil battle.