"The End of the Tether" is a novel by Joseph Conrad, set on the seas of the Malay Archipelago. The story revolves around Captain Whalley, a man committed to his principles and sea code, despite his deteriorating eyesight and impoverishment. After a life of adventure and prosperity, Whalley invests all his savings into a steamer and takes charge of it, not revealing his failing sight. His world shatters when he is betrayed by a trusted old friend. The novel explores themes of loyalty, honor, betrayal, and human struggle with compelling storytelling and stirring maritime imagery.