Luca and Valentina's uncle Alistair is a paranormal investigator. When he realises the children can see the supernatural creatures that share our world, he invites them to join his team. With the help of Camilla, a friendly ghost, the Really Weird Removals team save a real-life stranded Nessie, help a selkie come ashore, and befriend werewolves. But this exciting new world is also packed with danger. When confronted by malicious kelpies and hungry vampires, can their wayward uncle keep the children safe?