The narrative follows a young woman who arrives at a seaside resort with her mother and an elegant elder sister, where domestic routines and summer leisure set the stage for social maneuvering. The elder sister cultivates coquettish performances to attract a wealthy admirer, while the younger sister watches with clear-eyed irony, dissecting manners, ambition, and sentimental calculation. Scenes contrast spontaneous feeling and practiced seduction, exploring themes of desire, social ambition, family dynamics, and the provincial seaside as a milieu for subtle power plays and moral observation.