Overview:"Tropical Nights" - The young violinist Alma comes to Simbali with an orchestra led by conductor Zangiacoma, hired for a series of performances at the Schomberg hotel. Both the conductor Zangiacomo and Schomberg are obsessed with Alma. One evening, when Alma is, as usual, forced to entertain the guests she meets Mr. Heyst from his island Sourabaya, where he lives in solitude. He takes Alma to his place on the island.