The "Game"—and its Players The "Game"—and its Players Progress of the Plot Progress of the Plot Contains a Note of Alarm Contains a Note of Alarm The Locked Room In Hammersmith The Locked Room In Hammersmith What Happened in Bridge Place What Happened in Bridge Place On Loch Lomond On Loch Lomond A Gentleman named Greig A Gentleman named Greig More Mysterious Circumstances More Mysterious Circumstances Spreading the Net Spreading the Net The Person from Upstairs The Person from Upstairs