Fisherman Quino and his wife Juana are very poor and desperate because the town's foreign doctor refuses to treat their son Coyotito, who has been bitten by a scorpion. When Quino unexpectedly finds a magnificent pearl in the sea, Juana senses that the discovery will only bring them misfortune and tries to convince her husband to return it to the sea.
Mario marries Blanca, the queen of operetta, but after their daughter is born, they separate and she leaves on a world tour to continue her artistic career. Meanwhile, he stays behind and waits with the baby until they reunite again.