"I'm standing in the booze aisle if Waitrose Essex Road, when I see my dead sister. It's the third sighting in as many months." Things aren't going great for Marnie right now. It could be the grief of losing her sister, it could be her publisher threatening to drop her, it could be the vivid dreams she keeps having about having a penis, or it could be that she keeps seeing her sister who's supposed to be dead. Her family don't see the ghost of Perdita, but then again they can barely see Marnie who's still alive, and her husband and kids seem to have no idea what's going on either. And to top it all off, her actual therapist might be more delusional than she is right now. But when she meets a new friend, Katherine, who might actually be a reincarnated author, maybe another ghost, she knows she has to start piecing it together. But maybe, there's more to this story. She might be losing her grip on reality, or reality might be losing it's ...