An actress named Sybil Saunders endures invasive public scrutiny after her fiancé is implicated in a violent killing, with reporters and strangers shadowing her movements. Seeking respite and a chance to revive her career, she accepts a charity engagement to play Viola in an outdoor production on a private island arranged by a sympathetic theatrical manager. Rehearsals assemble a cast led by an experienced director and turn the performance into a social occasion for wealthy hosts and summer visitors. The narrative follows her navigation of reputation, the practical demands of theatre, and the mingling of scandal and spectacle within a closed social setting.