A private detective hired to investigate Paola's past. He uncovers the truth about her friend's death, her sudden disappearance, and her ongoing affair, submitting a detailed report that triggers the story's climax.
Enrico commissions the investigation that exposes Paola's past.
Enrico hires Carloni to investigate Paola's life before their marriage after discovering old photographs.
Carloni methodically reconstructs Paola's concealed history.
Carloni travels to Ferrara and investigates Paola's former friends, her sudden disappearance, and the circumstances surrounding her friend's death.
The investigation places Guido under indirect pressure.
Carloni investigates Guido's role in the elevator-shaft death and discovers his connection with Paola.
Matilde is an uncooperative source in Carloni's inquiry.
Carloni visits Matilde's apartment and asks about Paola's past, but Matilde refuses to cooperate.
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