Keanu Reeves has enjoyed a very tricky relationship with sci-fi entertainment. Of course there’s “The Matrix” and its towering influence on the genre, but Reeves also has titles such as “Johnny Mnemonic” on his resume, bringing down his batting average when it comes to wild stabs at futuristic complications. “Replicas” falls somewhere in the middle of his achievements, offering a mostly engrossing story of harrowing ethical choices and rash decisions before the whole things gives up and becomes a standard chase picture. It’s important to focus on the set-up of Chad St. John’s screenplay, which offers Reeves a meaty role of mad science panic, and also follows through on the complications that arise when the natural order of life is disturbed. “Replicas” finds its way early, which is almost enough to carry the entire endeavor, even when it plunges into silliness. Read the rest at Blu-ray.com