Butcher & Blackbird

I dunno 2.5 maybe, this one is a bit much for me (in just about every sort of way.) The serial killers falling in love premise is unique and grabbed my attention but once the will they/won't they is over, this loses all plot and turns into spicyyy scenes only. Why did the plot leave??? There's also some giant holes like/ how do serial killers find other serial killers? They act like they have some sort of social network that one can simply look them up on. It is easy to fly through and generally so fast paced, but.... It's something.