Karen Pirie ITV, 8pm

The excellent adaptation of Val McDermid’s novel The Distant Echo reaches its thrilling conclusion – here’s hoping Lauren Lyle (below) will be back in the lead role soon. But first, Karen has only 24 hours in which to solve Rosie Duff’s murder. She and Mint uncover a shocking new piece of evidence that could change everything, forcing them to come to a conclusion nobody expected. ★★★★★