Roberta Farnese invites a friend of hers to her house for a coffee, after a few jokes the atmosphere heats up and Farnese (as usual) gets excited. She urges her friend to open his fly and starts masturbating him with both hands, but while she is about to give him a blowjob, the doorbell rings, it is one of the Brotherhood of the Chaste and Pure who, after having entered by deception, begins to list the damages and problems brought by sex. After listening for a few seconds, Farnese starts to suck her friend's cock, the troublemaker continues to talk for a while, then Farnese convinces him to join in the sin...