How far will you go to save someone you love? The Wizarding World is being terrorised by the 'Origami Killer', whose victims are all discovered drowned, four days after they go missing. Seemingly the only clues are an origami figure, and a narcissus, discovered on each of their bodies. The wizarding public is gripped by fear and paranoia. The Aurors seem no closer to identifying a credible suspect. And now another potential victim has disappeared - Scorpius Malfoy. As the clock ticks against suspicion and anxiety, three familiar faces are drawn into the investigation - each following their own leads in a desperate search for Scorpius. Each of them knows what the cost will be if they don't reach him in time - and they will soon be forced to ask themselves just how far they are prepared to go...