kino, juana, and coyotito are a poor family that live in a brush house. one day a scorpion stings coyotito and when they go to the doctor they refuse to treat him because they are poor
later that day juana and kino go diving for pearls on their canoe. kino's prayers are answered when he finds the pearl of the world
juana tries to get rid of the pearl but is stopped by kino. when kino is going back home he is attacked and kills a man
when kino's canoe is vandalized and his house burn he decides to leave for the capitol he heads north. until they reach a watering hole where the trackers catch up to them.
juana, and coyotito hide while kino attempts to ambush and kill the trackers at night. coyotito cries from their hiding place wakes the trackers who shoot in the direction of the noise. kino kills all of them but his son was killed by the bullet
kino, and juana return back to town with a dead coyotito and the pearl. kino then takes one last look at the pearl before throwing it into the ocean.