In the heart of the city, you'll find a building with a million glowing signs and a reputation. The Free Food Casino. Despite the name, even mere entry may cost you something you'll never get back... Your life. A brother and sister, named Pen and Pencil, discover a casino on a street nearby. Their other brother works there. Pen's best friend Eraser works there too. It's gotta be fine, right? Nope. As soon as they walk in the door, they realize. Something's not right.