The Crimson Rivers

More4, 9pm

Olivier Marchal and Erika Sainte (above) return as detectives Pierre Niemans and Camille Delaunay for a new series of the French drama. Their latest macabre case involves an explosion at a Belgian parochial house – and the discovery of two German tourists among the wreckage. To make it more sinister, their naked bodies had been stitched together with leather thread. ★★★★☆