The freshly graduated psychiatrist David shall deliver an opinion about young Maddalena, who's on trial for murdering a hunter. She claims she's a witch and acted on behalf of the devil.

Viterbo, 1250. Rosa is a young girl who, after a night vision, begins to preach the words of St. Francis in the streets. One day she is sent into exile. Short in a medieval setting, between ancient villages and naturalistic locations, focused on power conflicts: political, religious and gender.