Lucita has been locked away in a convent by her family in order to keep her away from her lover, Esteban. The pair make plans to elope, but Esteban is accused of heresy before Lucita can escape. Hiding in the convent, Esteban discovers the horrifying depravity of the covent's abbess, Sister Incarnation. Can Esteban rescue his love from this madhouse before the inquisitor discovers what is going on and has everyone executed?
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| Writing | Sergio Grieco | Screenplay |
| Directing | Sergio Grieco | Director |
| Writing | Sergio Grieco | Story |
| Writing | Max Vitali | Writer |
| Production | Sergio Bollino | Production Manager |
| Writing | Victor Hugo | Theatre Play |
| Writing | Gino Mordini | Story |
| Production | Gino Mordini | Producer |
| Sound | Coriolano Gori | Original Music Composer |
| Camera | Emore Galeassi | Director of Photography |
| Editing | Mario Gargiulo | Editor |
| Art | Antonio Visone | Production Design |
| Costume & Make-Up | Carlo Gentili | Costume Design |
| Costume & Make-Up | Maria Miccinilli | Hairstylist |
| Costume & Make-Up | Cesare Paciotti | Makeup Artist |
| Production | Massimo Alberini | Production Manager |
| Directing | Massimo Carocci | Assistant Director |
| Directing | Mario Garriba | Assistant Director |
| Art | Luchino Oltrona Visconti | Assistant Production Design |
| Sound | Vittorio Trentino | Sound Engineer |
| Camera | Lino Galeassi | Assistant Camera |
| Camera | Angelo Modugno | Assistant Camera |
| Camera | Roberto Nicosia | Still Photographer |
| Camera | Adolfo Troiani | Camera Operator |
| Production | Ulderico Arditi | Production Secretary |
