Sherlock Holmes, White Diamond Mystery

Watson and Holmes, the esteemed detectives, were about to embark on a new adventure. They had received an invitation to visit the genius inventors, Thomas Edison and Jules Verne, and explore a new portal that they had built.
However, just as they were about to enter the portal, they were almost killed by an unexpected accident. The question that lingered in their minds was whether it was truly an accident or something more sinister.
Harry Houdini, watching the incident, told them it was Vampire Magic. Pink. The worst kind!
Driven by their curiosity and desire to discover who just tried to kill them they decide to venture through the portal and explore the new world it opened to.
A world similar to London, yet entirely different. They were determined to uncover the truth behind the accident. They soon find themselves working on a mystery with no apparent solution.
A vampire is killing innocent people.
What they discover is that the vampire is using magic to turn their insides into powerful White Diamond.
As they delve deeper into their investigation, they suspect an old enemy is on a killing spree for the rare White Diamond. The stakes are high. Because the rare white diamonds will give whoever uses them great power.
The detectives know they must act fast to catch the culprit before more lives are lost and the culprit's powers too large to stop.
It's not their world; but they are men of honor and will not abide cruelty, no matter where they find it.
Who is this enemy, and what motivates them to commit these heinous crimes?
Just as they think they are close to solving the crimes, Count Dracula, arrives to help. A duplicate of the one from their own world. However, doubt lingers in their mind. Can they truly trust this new Count Dracula, or is he behind the crimes himself?
The detectives knew they had to be vigilant and keep their wits about them if they wanted to solve this mystery. The truth is elusive and the stakes high in this thrilling urban fantasy, mystery adventure.
To catch the real killer, they must come up with a plan that will span two universes and need careful planning, or they also might become victims of the White Diamond Vampire.
Join Watson and Holmes as they navigate the dangerous twists and turns of this new world in search of the truth behind the White Diamond Vampire Killer.