Change in Thriller Plot

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The thriller opens with a tracking shot of a 1940s looking private detective going into his office, which is a very stereotypical PIs office. Then there are many close ups of the props that are in his office. We see the detective cast in a dark light placing his hat and jacket on the coat stand. We then see him observing his crime board which links to everything that happens in the crime involving the femme fatale. The detective then writes on a piece of paper “let the sleeping dogs lie” after this we see him typing on his typewriter just doing business. At this point we hear the diegetic voice of the femme fatale saying I need to see Mr Carter to the secretary. Then it cuts to the femme fatale bursting through the door of the detective’s office then there is a shot reverse shot and eyline match of the detective and the femme fatale.  The women elegantly turned out with a European accent says “I know what you did to Freddie you will pay for this” and before john carter has a chance to defend him self she whips out a gun and shoots him. As she does this the secretary rushes in and says “Oh my god what happened to Johnny” then we see the interaction between the femme fatale and the secretary and the last shot is of the secretary checking the detectives pulse.