When an art historian is found murdered in his home, DI Mick Palmer and DC Shazia Malik are sent to investigate. As they dig into the case, they uncover a vandalized painting, sabotaged security footage, and a dark family secret. 

A music producer is battered to death in his studio and his rare rock memorabilia stolen. But when the victim's collection is later found dumped in the river, Mick and Shazia question the killer's motive.