ContentsI.Mystery at Luce ManorII.A Sinister SuggestionIII.Hoaxed?IV.Inspector Tanner Grows SuspiciousV.Inspector Tanner Becomes ConvincedVI.What Cosgrove Had to TellVII.Cosgrove’s Trip NorthVIII.Tanner Finds Himself DupedIX.Lois Drew Takes a HandX.A Woman’s WitXI.A Fresh StartXII.A Stern ChaseXIII.Blackmail?XIV.A Dramatic DiscoveryXV.In the Luce Manor BoathouseXVI.Conclusion