Paris, today. 38 y.o. Ines, mother of teenage Jules whom she is raising alone, is threatened with eviction. She absolutely must get a stable job to find them a place to live. She is taken on 2 months trial at “Anti-Squat”, a start-up company offering temporary housing in empty suburbs office buildings. But the rules are very strict and the tenants have no rights. As a manager, Ines must live and sleep in the building to monitor the residents. But children are forbidden... She has two months to go, two months to complete her trial period, two months to start a new life at the risk of losing her most cherished values.
Back in Brittany, Captain Morgane Ledantec is confronted with the discovery of human bones after the fall of a sacred oak during a storm. The victim was a follower of druidism which Morgane was introduced to as a teenager by her godmother.
After Antoine was fired from his job, he became a stay-at-home dad taking care of his four children, while his wife Isabelle restarts her career as a lawyer. For Antoine, the family's upcoming ski vacation is a godsend: he can finally take a break from parenthood and enjoy a luxury ski resort! But just as they are about to step on the train, Isabelle is called back to work for an emergency and Antoine has to deal, on his own, with his four mischievous kids going wild on the slopes and in the fancy hotel, as the trip turns into total chaos…
Shown from the perspective of a young submariner with unusually sensitive hearing and uncannily precise sound recognition. The fate of many often depends on his ability, and one time, whilst highly stressed, he makes a incorrect call which put his entire crew in mortal danger. Trying to regain the confidence of his comrades, he conducts an unauthorised investigation of an apparent plot which, it turns out, risks escalating into a nuclear apocalypse. Suddenly working under pressure with the fleet admiral, they must do whatever is necessary, even the unthinkable, to prevent a nuclear war, since a confirmed nuclear strike order cannot be countermanded.