Garfagnana, Italy, 1347. The handsome servant Masseto, fleeing from his vindictive master, takes shelter in a nunnery where three young nuns, Sister Alessandra, Sister Ginevra and Sister Fernanda, try unsuccessfully to find out what their purpose in life is, a conundrum that each of them faces in different ways. In the Middle Ages, a young servant fleeing from his master takes refuge at a convent full of emotionally unstable nuns. Introduced as a deaf mute man, he must fight to hold his cover as the nuns try to resist temptation.