Austrian television version of Edgar Allen Poe’s The Tell-Tale Heart from 1958.

A Tyrolean rifle regiment adopt a young baby girl they have rescued and she becomes the "Daughter of the Regiment". In 1811, as a full-grown woman she falls in love with one of the new recruits while the regiment battles French forces during the Napoleonic Wars.

Matthias Scheichelroither is a poor but always cheerful, or rather, jolly farmer. He has grand plans for his son Heini, nicknamed "Heinerle": He intends for him to one day become a trained academic, a doctor. To achieve this, the old man scrims and saves to give Heinerle a perfect education. But Heini has other plans: Instead of focusing on his studies, he is drawn to music. With the help of Vivian Harrison, a wealthy American woman who is in love with him, he finally manages to organize his first concert as a composer.