Whistler: Boiling Point, The

An idea develops which involves a bridge, until the boiling point is finally reached! Kelly never knew exactly when it was that he decided to kill her. Thinking it over afterwards, he realized that murder is something like a pot boiling over. The fire is underneath for a long time and nothing happens, and then all at once the heat reaches a certain point and there it blows and you look back in horror to find that you've killed someone