A former teacher, Alexis Vergis, agrees to give private lessons to the young son of a wealthy family, but quickly realizes that the real reason he was hired is to help Anna, the boy's sister, who has suffered a nervous breakdown after the death of her fiancé. With kindness and methodicalness, he tries to lift the girl's spirits. Walks in the countryside and conversations about happy and carefree topics help her to relax somewhat. However, Anna's stepmother is disturbed by the relationship developing between the two young people, because she actually intends to have Anna committed to a mental institution and inherit her husband's fortune. She tries to slander Alexis and partly succeeds, but in the end, the truth shines through and the love of the two young people triumphs.

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