If “write what you know” is the hoariest bit of advice doled out to aspiring storytellers, then confirmed storytellers like director Steven Soderbergh and screenwriter David Koepp have gone ahead and proved its utility. In an interview that accompanies the release of “Presence,” the second film on which the two men have collaborated, Mr. Soderbergh relates a story about his Los Angeles home and the rumor that it had once been the site of a matricide.