Editor Susan Ryeland is tasked with finding the solution to a real-life cold case hidden within one of Alan Conway's early Atticus Pünd novels.
Rebecca Gatward
Lesley Manville
Tim McMullan
Alexandros Logothetis
Daniel Mays
Conleth Hill
Mark Gatiss
Rosalie Craig
Pippa Bennett-Warner
Adrian Rawlins
Pooky Quesnel
Will Tudor
Joanna Bacon
Thomas Coombes
Eleventh Hour Films
Salt Films
BBC One
