Chapter 15: The Turk's Head, and Chapter 16: Protecting the Property Summary

Mrs. Holland is still trying to figure out the riddle that leads to the Ruby. She and Mr. Berry travel to Swaleness to search, but have no luck. Then Mrs. Holland remembers that the local pub is called 'The Turk's Head,' and has an idea. They go inside the pub, where Mr. Berry refuses to drink alcohol much to Mrs. Holland's annoyance. Mrs. Holland pretends Mr. Berry is her son, and that she has a bet with him that the sea can be seen from the little window at ground level, in the cellar of the pub. The landlord tells her that the sea is visible from it at high tide, and agrees to let them go down there so Mrs. Holland can win her bet...