What if he's just not that into you because he's already dead?With the newly promoted Sergeant Walker away in Edinburgh, Mary Plunkett has decided to put on her big girl pants and tackle the dating scene. Things have changed a little since she last donned her low-waisted jeans and took someone out to the Dancing. Against all odds, she ends up meeting someone she actually likes. Then the worst thing possible she is ghosted.Of course, everyone knows that that means he's just not that into you, but Mary is convinced that something terrible has happened to him. And when she turns out to be right, it's another case for the detective skills of the Wronged Women's Co-operative.