Mauricio is a successful doctor and he has an apartment where he takes the girls to seduce them using his friend's name Luis.One fine day he decide to get married and rent the apartment to his friend Luis, an architect shorty and shy.Problems become when the former lovers starts to look for "Luis, the hunk" and found "Luis, the shorty"... Not every woman stops the search. "La Pantera" (The Panther) is the most passionate and looks for Luis, her "Lion" and won't stop until she finds him!Meanwhile, Mauricio has to live with his wife and stand his mother-in-law. His wife knows about his past and doubts begin to get into her mind. Trying to find out if Mauricio is cheating her she talks with Luis and everything get more and more complicated!Mauricio Garcés plays his usual character as a fancy playboy, not-that-smart, but very successful with women. He is THE Mexican playboy and you can see that in everything he does and say. Of course, he's a joke, but a very good one! Yolanda Varela as his wife is not just beautiful, but very funny.