Sunset Shimmer and Rainbow Dash are having problems with their current age - Solution - Fiddle with old spells and magically alter their ages! Of course things don't always work out like expected...

Set in the Lunaverse, Trixie and her friends are attacked at sea by a gang of vicious pirates. After Raindrops, Dinky and Pip are taken captive, Trixie and co set sail to get them and their stolen treasure back!