Editor’s Note: This review was originally published during the 2024 Toronto International Film Festival. Magnet releases “The Quiet Ones” in theaters on February 21, 2025.

There are fun heist movies and there are serious heist movies, and Frederik Louis Hviid’s skeletal but gripping “The Quiet Ones” — based on the biggest Danish robbery ever committed — immediately and unambiguously identifies itself as the latter. It starts in Sweden in 2006, where we ride along with two security guards inside an armored truck as they make an early morning cash delivery. She’s a battle-tested veteran who’s seen it all, he’s a rookie with a new child at home, and both of them will be shot to death within minutes when the latter tries to flee the gang of militarized thieves who ambush their vehicle.

These criminals are not fucking around, and when they resurface in Copenhagen two years later with an eye...