Chapter 13: Lights Below the Water, and Chapter 14: Arms and the Girl Summary

A letter arrives at the office of Selby and Lockhart, which Jim takes up to Mr. Selby. Mr. Selby reads it and turns very pale, then asks Jim to look out of the window to see if a sunburned man is watching them. Jim doesn't see him. Mr. Selby writes a quick note for the messenger to take back, and Jim tries to get information out of him about who sent it. The messenger will not tell, but Jim sees the name of the Warwick Hotel written on his hat and buttons. He realizes this is where the gentleman who wrote the letter must be staying. He brings this information to Sally.

Jim thinks Mr. Selby is being double-crossed or blackmailed, and Sally...