When one of Lily's witchy talents reveals that a horrific catastrophe is coming, the PIB have no idea what, how, and when. Can they unravel the mystery before scores of people are killed? On a trip to the Natural History Museum in London with Lavender and Sarah, Lily decides to take some photos to remember her day, unfortunately, she sees more than she ever wanted. Many people in the museum are see through, indicating they're going...