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.

Lidia is a girl too light to be on the ground. Her mother, on the night of June 23-24, asks for help to St. John’s magical water. At the same time her friend Elio has an idea to solve her problem.