A young mother kills a stranger in a fit of unexplainable rage. An inquisitive detective obsesses over the case, attempting to get to the bottom of the true motive behind the act.
A modern update finds the famous sleuth and his doctor partner solving crime in 21st century London.
When a brilliant bookstore manager crosses paths with an aspiring writer, he uses the internet and social media to gather the most intimate of details and get close to her. A charming and awkward crush quickly becomes obsession as he quietly and strategically removes every obstacle - and person - in his way.