However, Tommaso's son Andrea who is a medical student announces in a family get-together that he wants to become a priest. Tommaso is petrified and irritated with Catholicism plan's with his son-in-law, Gianni to prevent Andrea's change. Tommaso goes undercover while Andrea is absent, on retreat in a monastery, to investigate and bring down the charismatic Father Don Pietro, who he believes has ``brain-washed'' his son and caused upheaval in his family.
Tommaso
Don Pietro