** spoiler alert ** 
 Well the ins and outs I didn't finish it. I got to just over half way and just though I don't even know why I'm still reading. I have to admit I was interested at first but then I just got bored and was ready to finish. I gathered that Nina was a little mental but I didn't really see the point, basically nothing really happened there was no goa or particular issue just Nina trying to integrate herself into other peoples business and genuinely showing her clear obsession with Emma and her son.