When a young and small demon named Shorty Maghee comes out of Joey Drew's Studios for the first time to explore the world, she ends up in a place called Inkwell, where she hopes to make a brand new start. After getting a few things together, she ends up in the Devil's Casino. While trying to order something to drink, she runs into Cuphead and Mugman, two cups who made a deal with the Devil. Can Maghee save her new friends from a possible disaster along the way, or will she end up making a deal with the Devil?