Danny and his family move to London, into the apartment next to Sherlock's. As Danny struggles to maintain his relationship with Sam, Sherlock is stumped by a seemingly unsolvable case... one involving ghosts. After PP but nobody discovered his secret.

What happens when Danny and his family take a long earned vacation to London? It is only a matter of time before our favourite halfa runs into the world's only Consulting Detective and his blogger. But what will Sherlock deduce about the mysterious Danny Fenton?

Hey, all you Sherlock and Danny Phantom fans. I've got a story prompt for you.