Crime drama:

Dark Heart, ITV, 9pm

In the final part of the series, the prime suspect in the latest murder is found dead in the same location, leaving Wagstaffe at a crossroads. Is this the work of a devastated partner or a cowardly exit by a guilty killer? As the officers delve deeper, they soon find a surprising new line of enquiry, while the DI is forced to confront the fallout from his recent actions. Crime drama, starring Tom Riley (left), Anjli Mohindra, Jason Maza and Charlotte Riley.