Before tonight Cassie Tate's biggest concerns were whether she could pass Algebra and how she was going to keep Elora, her best friend, from dressing her in a skimpy fairy costume for Halloween. Her feet were firmly planted in suburban reality and she had no reason to believe her life would be anything but that of a typical teenager. That is until tonight, when Cassie saw something that no human was ever supposed to see; in the blink of an eye she...