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According to Variety, The Keys to the Street "is set in London’s exclusive Regent’s Park area, where a woman (Arterton) accepts a house-sitting assignment in order to escape her violent and disturbed ex-boyfriend Alastair (Roth). As a series of murders occur in the neighborhood, she starts an affair with another man, played by Max Irons (The White Queen, The Host)".
Filming on The Keys to the Street is set to begin in the UK early next year, with Julius Sevcik (Restart, Normal the Dusseldorf Ripper) handling directing duties. The film adaptation has been in development for several years, with Christopher Nolan originally planning to direct before signing on to reboot the Batman franchise with Batman Begins.