Three orphans, raised as sisters, leave their sheltered lives to embark on their ambitious dreams. Posy seems destined to become a ballerina, while Pauline aspires to become an actress, and Petrova, an aviator. However, when the man who adopted them disappears, money runs out. Three orphans raised by the niece of an eccentric explorer in 1930s London aspire to careers on the stage and in the theater.