Santiago and Manolin part on the beach, wishing each other good luck.
Soon, the old man's lines goes taut. He pulls up a ten-pound tuna. After that, a marlin plays with the bait for a while, and when it does finally take the bait, it starts to move with it, pulling the boat. The fish drag the skiff farther into the sea.
Santiago pulls the fish onto its side and plunges his harpoon into it. The fish lurches out of the water, and it dies. After that, the mako shark smelled the marlin's blood. When the shark hits the marlin, the old man sinks his harpoon into the shark's head.