The Doctor has found an unsettling corpse: Luca, the gardener, overwhelmed by the roses. But what could have caused the flowers to act in such a horrifying way? What dastardly alien intelligence could have turned something so pretty into something so deadly? 

Hannah meets Vincenzo’s patron and senses an opportunity, agreeing to pose for a painting. But what secrets does the house hold? And what threats await them in the garden?

Answers lie with a young girl, neglected and alone, eager for friendship, as David Adamson is about to find out.