AC-12 investigate DCI Jo Davidson's apparent mishandling of the murder of an investigative journalist.

Cast: Kelly Macdonald, Martin Compston, Vicky McClure, Adrian Dunbar, Anneika Rose, Nigel Boyle, Elizabeth Rider, Christina Chong, Patrick Buchanan, Shalom Brune-Franklin, Perry Fitzpatrick, Ben Rose, Kwaku Fortune, Diarmuid Noyes, Loreece Harrison