It was a sunny spring morning in the forest that never slept. Willy the Squirrel, an agile little tree dweller, had just finished a homemade chocolate cake. It was round, just like the window in his little wooden house, and was topped with the most delicious nuts from Mrs Owl. But something strange began to happen. Every time Willy left to invite his friends over for a tasting, one piece of cake would mysteriously disappear. 'Who could have done this?" wondered Willy, looking at the dwindling cake with a worried expression. Unwilling to let the cake continue to disappear, Willy decided to do a little investigating. 'I need to understand what's happening to my cake!" he thought, looking at the round cake with an adversarial gaze. Intrigued by this mystery, Willy began to put together a plan. 'If the cake disappears every time I leave, then I must be watching my cake from afar!" he thought. So Willy placed the cake on the kitchen table and hid behind the living room curtains, ready to watch. Time was passing and the sun was shining outside. Willy looked at the cake that was on the table. Suddenly, as the sun went behind the clouds, the door to the kitchen opened slowly....