DC Callum MacGregor's career was going pretty well until he covered up a cock-up to protect his pregnant girlfriend. Now Callum's stuck on a squad with all the other misfits. Then they accidentally get handed the biggest murder investigation Oldcastle has ever seen. When a mummified body is found, the top-brass assumes pranksters have stolen it from a museum. But as Callum and his colleagues investigate, it starts to look less like student high-jinks and more like the work of a terrifying serial killer...
