Pinkie R Pie is in for a difficult journey, when her parents disown her for her younger sibling Inkie Pie, and she decides to leave in search of a better life.
However, she soon finds that her control over her power known as "the fourth wall" isn't as good as she expected, and she is sucked into the multiverse with no way home.
please try to refrain from posting spoilers in the comments… i hate spoilers