In her last home, Olivia Kidney met a lot of strange people – and not all of them were alive! Now her handyman dad's got a new live-in job at a posh private house and Olivia's hoping her life there will be normal. But no. The house is flooded by a sparkling lagoon (complete with snapping turtles) and you have to use a boat to get around! Then there's the handsome young owner, Ansel Plover, who seems quite charming. Until a neighbour warns Olivia that he's 'mad, bad, and dangerous'.

So when she spots strange visitors arriving in the middle of the night, Olivia catches a whiff of weirdness. This house holds secrets – she can feel it. So with the help of her ghostly brother, Christopher, Olivia begins to unravel a mystery that will take her deep into the Spirit World, all over again . . .