Two families that hate each other coudn't hinder the marriage of their firstborns. From this relationship born two pair of twins. Unfortunately their parents die and each family take in one pair of twins. Time pass trough, the twins find each other and many questions need to be solved.
Ernesto and Marta, a couple of newlyweds who have serious financial problems, are visited by a neighbor asking them to keep a large sum of money at home until she goes to the bank the next day.