An enjoyable build up of tension with a smashing climax. A young man who has lost his way in life gets into trouble. His sister, Lucy, is the only person that can help him. Loyal and brave she tracks him down, but becomes endangered herself. The book is about her resolve in getting to the bottom of what happened to her brother. There are quite a few scary, tense moments. It's the kind of book you stay up all night to finish.