In this chapter, it begins with Lord Glenarvan who writes a letter to Helena, and mentions that there is still hope of finding Captain Grant, after which Major McNabbs suggests stopping at the island of Tristan, where Lord Glenarvan speaks with the Governor. , and he mentions that he hadn't seen the Britannia.

Captain Mangles, mentions that bad weather was coming, and something bad really happened, since the waves began to pass through the side of the boat, and in one of those, an engineer mentions that the engine propeller had broken and that is there where Mangles feared for his boat and passengers, in that the Duncan was about to hit the rocks, but Mangles tried to fix it by covering the sea with oil.

After what happened, they sailed to the Cape, and it is where Robert sees a mill, as a sign of hope, they all walked for about half an hour, where an older man came out welcoming them to his house and sharing food, suddenly they realize that A man named Ayrton, because of his voice, and if he was, where there is a conversation and Ayrton tells what happened with Captain Grant, seeing that some did not believe him, they asked for his documents realizing that the story Ayrton's was true.