Sundance review: Keanu Reeves is not the answer to 'Knock Knock'

PARK CITY, Utah — Give Eli Roth and Keanu Reeves credit for trying something different in Knock Knock, which premiered late Friday night at the Sundance Film Festival
Roth foregoes the usual buckets of blood for more cerebral horrors, while Reeves — well, makes a movie with Eli Roth. And for the first act of this "cautionary tale" (Reeves' words, not ours; see below), it's a fresh and fun pairing
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The 47 Ronin star plays a successful architect living with his artist/designer wife and their darling children, who all go away for a beach weekend, leaving him behind to make a project deadline