In this Mexican sci-fi fantasy, big beefy Martians invade the earth. Ostensibly, they have come to warn people about the dangers of nuclear testing and exploring space, but their real mission becomes manifest when they begin using their special powers and gadgets to exploit weak earthlings.
A crime organization that deals with drug trafficking discovers that more and more drugs keep disappearing. Joe Luciana, a man who is respected for his good deeds, appears to be responsible.
Manuel, the manager of the (real-life) Hotel Condado Beach in San Juan, and his assistant Paquito decide to promote their establishment by offering free "honeymoons in Puerto Rico" to newlywed couples.
Widow of a rich older man, Sonia returns to her old neighborhood, unable to claim his inheritance. As soon she arrives, she meets her old love Roberto and they revive their romance. But this love can not be due to Sonia's greed, who becomes the mistress of a handsome and wealthy gangster.
Rosina is frustrated by her engagement to millionaire John Johnson III, a fussy, domineering, control freak. The night before her wedding, she goes out dancing with her maid María, María's husband Tomás, and their friend Gordillo. When Rosina learns Gordillo is a sailor on the yacht owned by Mexican film star José María Beltrán, she decides to stow away and sail to Mexico to be with her grandmother.
