Finn is back for some family drama. Gotta get Marceline and her dad to make nice by opening a demonic inter-dimensional door. I'm sure Marceline is fine with it. In the studio The Royal Empress of Pig, Velvet, only of her name, really thinks that she can make waves in the nuanced political bartering process known as shrieking as loud as she can until snacks materialize from above. How will negotiations fare?