After a disastrous morning, a down-on-her luck Fionna seeks treatment for an out-of-sorts Cake.

While Cake crash-lands in a fantastic new world, Fionna continues her search after witnessing something impossible.

Pursued by a powerful enemy, Fionna, Cake and Simon venture through a lawless world in search of a magical artifact.

Stranded in a desolate wasteland, Fionna, Cake and Simon must resort to desperate measures to escape.

Simon battles his demons as Fionna, Cake and friends fight for their world.