A man falls to his death in western Scotland. From a distance another man watches. He approaches the body tucks a book into the dead man’s pocket and leaves. When the Scottish police show visiting Detective Chief Inspector Domenic Jejeune the book he recognises it as a call for help. Back in Saltmarsh the brutal murder of a researcher has everyone looking at the man’s controversial studies as a motive. But Sergeant Danny Maik believes a huge cash incentive being offered for the research may play a crucial role. With their Chief Superintendent blocking every attempt to interview the project’s uber-wealthy owners Jejeune and Maik must work together to find their answers. But will the men’s partnership survive?

Part of the Birder Murder Mystery series.