Mrs Serial Killer is a classic case of how to ruin a fascinating one-liner when it shapes into a full-fledged script. The premise of a wife trying to commit a crime to prove the innocence of her husband promises to be a weirdly interesting idea of loyalty – it is extremely surprising and disappointing how Mrs Serial Killer digs its own grave after a superb start. The basic issue with many homegrown psycho-thrillers is the way they attribute a motive to the serial killer – they make the working of the human mind feel so simplistic. Everything boils down to a mere flashback that doesn’t do any justice to their characterization. It’s like telling the viewer ‘we know how dumb you are!