Time is running out for Detective Inspector Perez as prime suspect Peter Latimer lies critically ill in hospital. Was the fire a drunken accident, or was Peter Latimer the second victim of a murderer still free on Fair Isle?
When a scientist is murdered in a bird sanctuary on Fair Isle and Perez returns to his childhood home to investigate, a storm forces Perez and the suspects to remain enclosed under the same roof.
As Will is preparing to be installed as the new vicar Geordie persuades him to involve himself in a case involving a young uncommunicative boy with blood on his hands.
Watch Now:AmazonWhen a passenger is stabbed on the express bus to Honore, Jack and his team are baffled. No-one left their seat, so how on earth did they commit murder?
Watch Now:AmazonJack and the team uncover a nest of vipers when a zoo owner is killed with a tranquilliser dart and everyone has an alibi.
Watch Now:AmazonGeordie is called to investigate an apparent break-in at a computer laboratory. When the head of the lab keels over and dies from mercury poisoning, Geordie suspects foul play.
Watch Now:AmazonRobert frantically searches for Lily, while Captain Dance is restored when his men are able to harness the power of the Incubus, and he prepares to put his final plan into action. He launches an all-out attack on MIO headquarters to steal the jar containing Lord Trash's heart and restore the nightmarish creature to the land of the living. Robert is devastated to learn that one of his closest friends has been lying to him all along, but fresh hope emerges when he discovers there is a way to destroy the heart once and for all.
Watch Now:AmazonPart one of two. Robert is tormented by the recent tragedies that have befallen him, causing him to lose control of his transformations. Bulstrode reveals that military intelligence is holding Ravi prisoner, but will release him in return for Robert's help in investigating a series of strange killings. Robert takes on the case, and joins forces a vigilante also on the murderer's trail - but when the truth behind the slaughter emerges, it leads to his new ally becoming a dangerous threat that Bulstrode wants eliminated.
Watch Now:AmazonPart two of two. Robert goes in search of his former ally, the vigilante Spring Heeled Jack, and the mysterious parasite that has taken control of him. However, the creature abandons its host and take over Ravi, who now faces either a painful death when it is finished with him or being killed by MIO agents in an attempt to destroy the infection. Robert tries to find a way to save his brother, while also using the parasite as bait to lure Bulstrode into a trap and rid himself of MIO once and for all.
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