Emotional Chemistry is a BBC Books original novel written by Simon A. Forward and based on the long-running British science fiction television series Doctor Who. It features the Eighth Doctor, Fitz and Trix.
The novel is written as a love story between two aliens separated by time, and is set in three distinct time periods: 1812, 2024 and the year 5000. The sections set in the 51st Century in particular contain references to the Doctor Who serial The Talons of Weng-Chiang, showing the war that villain Magnus Greel had started before trying to escape through time.
Plot
The TARDIS crew arrive in the Kremlin Museum, looking for a locket that may help to reveal the nature of Sabbath's plans. However, they find the museum being ransacked by two soldiers from the future. One is overpowered, and the other escapes to the future, taking the Doctor with him.
In the present day, Colonel Grigoriy Bugayev (of the Russian branch of UNIT) is investigating the thefts, and suspects corrupt businessman Vladimir Garudin. He also knows of the Doctor, and thinks that his companions may be able to help him. However, he doesn't search Trix properly, and fails to discover that she has stolen the locket the Doctor was searching for.
The Doctor and the future soldier arrive in 5000 with a painting of a Russian noblewoman, which his captor insists on taking to his commander, Lord General Razum Kinzhal. Kinzhal himself has been captured by enemy forces, but manages to complete a daring escape that leaves him in the Arctic wilderness with his second-in-command, Angel, who loves him dearly.
In 1812, as Alexander Vishenkov prepares to head off to face the French with his friend Captain Victor Padorin, he is given the diamond locket as a token of affection by Dusha. He loves her dearly, but is troubled by lustful feelings he has started to have for her younger sister. Dusha, meanwhile, worries about her two sisters, whom the notorious lecher Padorin seems to have set his sights on.
As Trix and Fitz are escorted to Bugayev's HQ, he tells them that the collection of artefacts they were raiding seem to have a strange effect on the public; in part, they were displayed to study that effect. They are interrupted, however, when the convoy is attacked by a group of apparently possessed locals. Fitz finds himself possessed by the same force, and compelled to leave the safety on the convoy. The future soldier, meanwhile, recovers and forces Trix to aid his escape. As she drives them away from the convoy, she is surprised by a woman on horseback and crashes the vehicle.
The Doctor and his soldier stumble across a bunker where a group are plotting to betray and execute Kinzhal. As the soldier grows more enraged by this, a mysterious fire breaks out from around the picture and kills everyone in the bunker. The Doctor is intrigued by this apparent pyrokinetic ability.
Fitz is marched by his controlling force to the office of Victor Garudin, and then released: it is clear that Garudin himself was controlling them. He is after the Doctor's TARDIS, and fearing for his life Fitz admits that he will sell the Doctor out happily if he is rewarded suitably. Garudin shows Fitz his own personal time machine, Misl Vremnya or "Thought Time", which allows Garudin to watch history through any person's eyes.
The soldier travelling with the Doctor succumbs to his injuries, but the Doctor manages to deliver the portrait to Kinzhal. He demands to know why the Lord General is stealing treasures from the past, and how the painting causes fires. Unseen by all but Angel, the Lord General's new aide tries to avoid the Doctor catching sight of her.
Trix awakes to find herself on the planet Paraiso with a woman named Aphrodite, and her soldier recovering in a villa. Using the diamond necklace, Aphrodite is able to use her pool to travel back to 1812 with Trix. Once there she greets Dusha as her mother. Unknown to the two of them, Fitz and Garudin are watching the reunion through Padorin's eyes: Garudin has to leave, but allows Fitz to stay, confident that he doesn't possess the metal discipline to control a person in the past. Trix, meanwhile, tricks Aphrodite into allowing her to go back to Paraiso apparently to fetch the Doctor to help them. Instead, she intends to steal the diamond necklace that allows Aphrodite to visit her mother.