Surely if Vincent is a 'cop' then he should 'cop' Ronnie because he knows she killed Karl, who was evidently getting too friendly with Roxy, and we all know that Ronnie is Roxy's sister and looks after her, so Roxy goes to the police about Ronnie killing Karl, in order that Ronnie will be out of the way so that she (Roxy) can share her life with the very doubtful Dean, who did (we saw it) rape the publican's wife (sorry I have forgotten her name). however, it is not the police who come to arrest Ronnie, but some friends of Vincent (I assume) who get her out of the way, then return her, so that ...................................oh I give up.