When Shetlander, Thomas Malone (played by Stephen Walters) has his murder conviction overturned after 23 years behind bars, DI Perez has to reopen the investigation into the 1994 death of local teenager, Lizzie Kilmuir.
As suspicion surrounds Malone, a local journalist is found murdered in similar circumstances and he finds himself firmly in the frame again. Has Malone fooled the system in to releasing him only to murder again? Or was he a victim of a miscarriage of justice? As pressure mounts on Perez, he must look beyond the gossip and prejudice to get to the truth.