Van Der Valk

8pm, ITV

When the body of a former diamond polisher is dismembered and left on the doorsteps of his employers’ homes, Van Der Valk (Marc Warren) and the team must decide whether someone has a grudge against the Cuyper diamond dynasty. After infiltrating the lucrative diamond business, Piet and his colleagues discover that the victim, Ahmed, had recently been promoted into a new job, and they have to navigate a world brimming with envy, greed and corruption.