He’s incredibly smart about the way he brings the viewer into this auditory game. Larger-than-life enemies that can detect their prey aurally have been a part of great cinema for years, from the xenomorph hunting the crew of the Nostromo in “ Alien” to the dinosaurs of “ Jurassic Park,” and Krasinski knows that lineage. Preparing for the arrival of a newborn baby in a world without noise is difficult, and the father continues to pore over newspaper articles and research, looking for a way to stop the creatures that kill at the slightest sound. The bulk of “A Quiet Place” takes place over a year later, as the family continues to grieve and the mother is about 38 weeks pregnant. And the danger is intensified in the following sequence as the youngest child finds a toy that makes noise and. We quickly discern that sound in this world is dangerous. They communicate in sign language and are incredibly careful not to make a sound, but the youngest boy draws a picture of a rocket on the floor-the thing that he signs will take them all away. The family very slowly-on tiptoes-moves around a small-town store, taking some of the few remaining supplies and some prescription drugs for the older boy, who looks like he has the flu.

A title card says it’s “Day 89,” and we can tell we’re in a recently-post-apocalyptic world.

The eldest, the girl, is deaf (as is the remarkable young actress who plays her). We see a family-Krasinski plays the unnamed father, his real-life wife Emily Blunt plays the mother, and Noah Jupe (“ Suburbicon”), Millicent Simmonds (“ Wonderstruck”), and Cade Woodward play their three children. With his script, co-written by Bryan Woods and Scott Beck, Krasinski wastes no time.

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