Disclaimer: I listened to the audiobook.
Alva lives with her dad, who is a murderer. He killed her mother when she was 8. Now she is 15 and she tries to make sure he doesn't kill her by making herself very useful. He is in charge of checking on the loch and he has nets in, but keeps finding them cut. As she repairs them for him and replaces them she notices the loch is loosing water quickly from the paper mill in town and sees a hole in the bank that she thinks is an otter den. As she and her friend Marren start to discover there are things her dad hasn't told her and she sees a large, white, skeletal being, her dad becomes extremely cautious to the point of locking her in the house. She and Marren wonder what in the world is going on? What was the creature? Where did it come from? And mostly what really happened the night her mother died.
Could not stop listening. Wow. What a ride. So many things were thrown in that when I thought I had it figured out, I was WRONG! Was a little slow to start and I kept thinking get to the point, but don't quit it is AMAZING.