Charlie,aprofessorofcriminalpsychologyattheuniversity,hasbeenhauntedbynightmaresforyears—hisdeceasedmother,cladinbloodstainedclothes,lingersinhisdreams,refusingtoleave.Hehasdevotedallhisenergytoassistingthepoliceintrackingdownherkiller—theelusiveserialmurdererknownas“TheFalcon.”Thetraumaofhischildhoodandhissenseofaimlessnessinadulthoodoftenmakehimfeelasthoughheiswanderingalonethroughadark,fog-filledcanyon,withnopathforwardandonlysolitudesurroundinghim.