Queen of the Isle

Mal's twin sister is in love with Harry Hook, and best friends with Uma, Gil, and Celia. Ivy used to be Mal's favorite person in the whole wide world until she decided becoming friends with Uma was better than being friends with her own sister. Mal gets jealous and tells her to break off their friendship but to no luck, and a few years later, Ivy takes her boyfriend's name to get rid of Mal's presence in her life, with Ivy growing envious of Mal's "perfect" life in Auradon...but what happens when Mal comes back to the Isle and discovers that Ivy took her place as the Queen?