It begins like any other day for Molly Gray, silently dusting her way through the luxury rooms at the Regency Grand Hotel.

But when she enters suite 401 and discovers an infamous guest dead in his bed, a very messy mystery begins to unfold. And Molly's at the heart of it - because if anyone can uncover the secrets beneath the surface, the fingerprints amongst the filth - it's the maid . . .