French movie about an underground base

Survivors of a nuclear attack are grouped together for days in the basement of their apartment building, where fear and dwindling supplies wear away at their dynamic.

Raf and Julie, a couple on the verge of breaking up, find themselves in an emergency ward bordering on collapse on the evening of a Parisian Yellow Vest protest. Their encounter with Yann, an angry and injured demonstrator, will shatter each person's certainties and prejudices. Outside, the tension escalates.

A group of Serbian socialists prepares for the war in a surreal underground filled by parties, tragedies, love and hate.

After faking his death, a tech billionaire recruits a team of international operatives for a bold and bloody mission to take down a brutal dictator.

For generations, the people of the City of Ember have flourished in an amazing world of glittering lights. But Ember's once powerful generator is failing and the great lamps that illuminate the city are starting to flicker. Now, two teenagers, in a race against time, must search Ember for clues that will unlock the ancient mystery of the city's existence, before the the lights go out forever.

Trying to escape her broken past, Sarah O’Neill is building a new life on the fringes of a backwood rural town with her young son Chris. A terrifying encounter with a mysterious neighbour shatters her fragile security, throwing Sarah into a spiralling nightmare of paranoia and mistrust, as she tries to uncover if the disturbing changes in her little boy are connected to an ominous sinkhole buried deep in the forest that borders their home.

While exploring the neighboring woods, 13-year-old John discovers an unfinished bunker — a deep hole in the ground. Seemingly without provocation, he drugs his affluent parents and older sister and drags their unconscious bodies into the bunker, where he holds them captive. As they anxiously wait for John to free them from the hole, the boy returns home, where he can finally do what he wants.

We follow host Jean-Simon Leduc as he sets off in search of underground communities. From tunnels and bunkers to underground homes, each person lives underground for a different reason, whether economic, political, ideological, spiritual or environmental.

An underground exploration leads a group of travelers into a mysterious French church.