Callimaco is taken by the beauty of Lucrezia , but she is the loyal wife of Nicia , a rich and foolish lawyer .  Callimaco hires the service of a shady ` fixer ' named Ligurio to aid in his quest to sleep with her .  Lgurio informs Callimaco that Nicia and Lucrezia are anxious to have a child .  With the fixer's help , .  Callimaco masquerades as a doctor and convinces Nicia that the best way for Lucrezia to conceive a child is by her taking a potion made from the Mandrake Root .  He lies and warns Nicia that the first man to sleep with Lucrezia after she has taken the potion will die within eight days .  Together they devise a plan to kidnap a stranger to sleep with Lucrezia and draw out the poison .  Callimaco then disguises himself and arranges to be the one who is kidnapped .  Lucrezia is an honorable woman and does not at first agree to meet with the stranger .  Nicia gets both Lucrezia's mother , a woman of ill repute , and her confessor Brother Timoteo , a priest of low morals , to aid in convincing Lucrezia of the necessity of the plan .  After finally sleeping with Lucrezia , Callimaco confesses everything .  Lucrezia gives thought to the duplicity of her husband , her mother , and her confessor , and decides that she now wants Callimaco as a lover forever .  Callimaco gets what he had desired and everyone else continues to believe that each had outwitted the others . 
How did Nicia get fooled?
Brother Timoteo