along the way , the d'yamba brushes tansy freneau , who , seated in a windowed alcove of the sand bar , observes a wry , beautiful young woman take smiling shape in the pool of light at the far end of the parking lot and realizes , a moment before the young woman vanishes , that she has been given a glimpse of the person her irma would have become ; and it touches dale gilbertson , who while driving home from the station experiences a profound , sudden yearning for the presence of jack sawyer , a yearning like an ache in his heart , and vows to pursue the fisherman case to the end with him , no matter what the obstacles ; the d'yamba quivers flashing down a filament to judy marshall and opens a window into faraway , where ty sleeps in an iron-colored cell , awaiting rescue and still alive ; within charles burnside , it touches the true fisherman , mr. munshun , once known as the monday man , just as burny 's knuckles rap the glass .