Isolated in the Swiss Alps, a young woman who would have liked to become a teacher teaches her deaf brother arithmetic and writing. An incestuous relationship develops between them.Isolated in the Swiss Alps, a young woman who would have liked to become a teacher teaches her deaf brother arithmetic and writing. An incestuous relationship develops between them.Isolated in the Swiss Alps, a young woman who would have liked to become a teacher teaches her deaf brother arithmetic and writing. An incestuous relationship develops between them.