While the latter is portrayed as handsome and dashing, his tricks and calumnies directed at his rival point to his negative side.
Don Juan, on the other hand, is an impoverished nobleman, who depicts himself as unattractive and not worthy of Ana's Diana-like beauty.
At first, Doña Ana intends to marry Don Mendo, not realizing his many flaws, but she slowly begins to suspect that he is not what he seems.
The secondary plot involves Don Mendo's mendacity as he tries to hide from Lucrecia the fact that he is scheming to marry Ana.
[6] The denouement of the main plot shows how don Mendo's predilection for slanderous remarks cause him to lose the love of Ana and Lucrecia as well as the friendship and patronage of the Duke of Urbino.