Your Week Ahead: How do model-makers get ships inside bottles? How do magicians seemingly saw people in half? These feats appear impossible until the trick is revealed. Agatha Christie used a similar technique in her murder mystery novels. She finished her victim off early, then bemused her readers with chapters full of diversions and irrelevant 'clues'. This week, if you carefully revisit the evidence, you'll begin to understand a matter that's been bafflling you. Mercury's links, with both your rulers, help you see the secret. Everything will become obvious.