I think he doesn't feel safe at his home. After they part, McMurdo walks to the house of Jacob Shafter to seek room and board. An incredibly beautiful young woman opens the door, and McMurdo is dumbstruck. She invites him in and introduces herself...
The Valley of Fear study guide contains a biography of Sir Arthur Conan Doyle, literature essays, quiz questions, major themes, characters, and a full summary and analysis.