The Fisher King, stranded on Earth, sets in motion a desperate plan to survive: a plan that could impact the universe.
The Doctor and Clara try to help an underwater base apparently haunted by ghosts.
Kieren sheds his contact lenses and cover-up mousse in public for the first time, but he is wrongly accused of freeing the rabids at the GP surgery and hauled in front of the tyrannical parish council.moreless
UCOS team are tasked to re-investigate the five year old case of Simon Belgrade's disappearance when his blood-stained identity card is found in Epping Forest.
With the Devil gaining his strength, Hal, Tom and Alex put their differences aside and agree to pay the ultimate price to vanquish him.
Tom takes a liking to a girl named Natasha, but things turn nasty when he finds out that Hal has been drinking from her.
Tom struggles to introduce an isolated 1980's werewolf - Bobby, to modern day life. Crumb comes to stay at Honolulu Height for a bit of rehab.
An employee of the month is instigated at the hotel with the Captain using his powers of influence to turn Hal and Tom against each other. Alex finds that she is not the only ghost residing in Honolulu Heights.moreless
Alex adjusts to life as a ghost and living with a vampire and a werewolf. The toxic Captain Hatch is also introduced in this episode, hiding a dark secret.
Chief Inspector Frederick Abberline is worried that 'Jack' has started a fresh killing spree when a young woman is found in the same state as the previous victims.
Thinking she knows the identity of the killer, Susan returns with the police, only to find him gone. Later, at home, she discovers a coded message with Cavendish's address, which in turn provides another clue. By following the thread, Susan could be walking into a trap.moreless
When Scotland Yard dismisses the women’s theories, they realize it’s up to them to stop the killer before he takes his next victim. They identify a suspect and use Lucy to lure him into a trap, but their plan goes badly awry and Lucy is assaulted. Shaken, the women take a different approach, contacting former war department members. Susan plans to meet with a psychiatrist whom she believes has helpful information, completely unaware of the danger that awaits her.moreless
It is now seven years after the end of the World War 2 and four women, all ex-codebreakers from Bletchley Park, have got used to their mundane civilian lives. Following a spate of local murders, Susan starts collating information about them to see whether she can use her analysis skills to spot a pattern. Unable to convince the police to take her seriously, she turns to her former colleagues for help.moreless
Hal fights his inner demon when Mr. Snow invites him back to the fold, and Annie comes to terms with the horrific task she must complete.