The comedian continues her cruise aboard a superyacht, sailing around the Caribbean's most exclusive islands. With the ship anchored off the coast of Jost Van Dyke, she joins her fellow cruisers for a snorkelling excursion where she comes across a real desert island, the uninhabited Sandy Spit. Later, Susan sets sail for another island, Prickly Pear, where Susan and ship entertainer Katie see what they can discover off the beaten path