The brand-new thriller featuring DCS Kat Frank and AIDE Lock from the award-winning and Sunday Times bestselling author of In the Blink of an Eye . PRAISE FOR JO 'Terrifyingly timely and provocative' VAL McDERMID 'The most original crime novel you'll read this year' CLARE MACKINTOSH 'Just brilliant!' LISA JEWELL 'Sharp, perceptive writing and a brilliant new take on the detective duo' T. M. LOGAN 'Everything you could hope for in a heartbreaking, intelligent, deftly plotted and so original' FIONA CUMMINS 'A fresh take on the buddy-buddy cop trope . . . Provocative and compelling' VASEEM KHAN 'Wildly original, heartfelt, funny, and properly thrilling. Take a bow, Jo Callaghan' CHRIS WHITAKER