In 2018,John Krasinskis turn from actor to director surprised audiences and critics alike inA Quiet Place.

First, we know what the monsters are good at.

The opening scene of the first film establishes this effectively.

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This scene establishes the emotional stakes of theQuiet Placefranchise and showcases the imminent threat that the monsters pose.

InA Quiet Place, Lee Abbottplayed by Krasinski himselfstudies the monsters for a way to stop them.

Lee knows that they are blind but have acute hearing.

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Image via Paramount Pictures

They also have impenetrable armor that makes them impervious to weapons.

Coupled with their keen sense of hearing, the monsters armor makes them almost unbeatable.

However, this knowledge doesnt provide much of an advantage later on in the film.

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Image via Paramount Pictures

While Lee tends to his wife, Marcus reunites with his sister Regan, played byMillicent Simmonds.

Instead, all Regan hears are painful screeching noises.

Just as a monster is about to attack, the same painful screeching scares the monster away.

This realization comes too late, however.

Her mother Evelyn catches on, cocks her shotgun, and kills the monster.

A Quiet Place Part IIis a direct continuation of the first film.

Though without Lee, the Abbotts leave their farmhouse with the knowledge of the monsters vulnerability to high-frequency sounds.

Regan carries around a speaker to amplify her implants frequency just in case they run into more monsters.

Despite his protests, Emmett is convinced by Evelyn to retrieve Regan.

When he finds Regan, however, she remains resolute.

Inspired by her perseverance, Emmett goes with Regan, but not without trouble.

He agrees to let Regan use the radio station to broadcast the frequencies.

While Hounsous character dies offscreen, Regan and Emmett make it to the recording booth where the monster follows.

The screeching frequencies give Regan and Marcus enough time to kill their respective alien predators.

By the sequels end, we know of two specific weaknesses.

Second, the monsters cant swim.

This second weakness can also be related to their ignorance of minor sounds around running water.

Of course, one would hope that Krasinski is aware of howM.

Night ShyamalansSignsgave its aliens a similar weakness to H2O.

Regardless, all this information can provide clues as to how the nextQuiet Placecan play out.

One possibility can expand upon the ending ofPart II.

Another possibility involves the sound of running water.

There are a number of creative ways humans can use this information to defeat the monsters.

Maybe its simply a matter of luring the monsters into a dam and instantaneously flooding them.

But as most monster movies go, the creatures function as allegory for humanitypeople are the real monsters.

In the first film, an old man kills a woman in the woods.

He screams, despite Lee and Marcus imploring him to keep quiet.

The old man, of course, dies.

In the sequel, a band of depraved men use a young girl to lure other helpless humans.

But there are still good people whove kept their humanity, as Emmett learns.

He himself, throughout the sequel, goes on a journey to rediscover his own.

If theres any chance at defeating the monsters, its only if the fractured communities work together.