Sophia Lillis (IT) will star in Warner Bros.' new film Nancy Drew and the Hidden Staircase. Warner Bros. made an old version of the film in 1939. The film tells the story of a pair of elderly sisters in the Victorian era who encounter strange events in their room and are accused of murder. Nancy must find the reason to clear the sisters' name. The film is produced by Ellen DeGeneres and Jeff Kleeman and is expected to start shooting in May this year.