On their way to Las Vegas for a convention, Fran discovers that his cousin Sal has booked them on a connecting flight through St. Louis, with an eight-hour layover. But, there is a method to Sal's madness. He has mapped out iconic eateries in St. Louis to try out, starting with Tiffany's Diner on Rt. 66, where they've been serving up "Slingers", traditional St. Louis breakfast, since 1960. Then, the guys head over to Russell's on Macklind to try a unique spin on gooey butter cake. No layover is complete without discovering the local pizza scene, so Sal and Fran head to Frank & Helen's for a slice or two of their famous St. Louis-style pizza and Toasted Ravioli.