Roxana Aubrey decides to drop her studies and escape her life in Paris for a free diving course in the south of France. She is quickly pulled into a life that reaches new depths brought by the weight of an ocean's descent.

One day, Jean-Louis discovers that his heart has stopped. He is not dead, can walk and talk, but his heart is no longer beating. With the help of his wife and a friend, he tries to understand the origin of this mystery.

As a rowdy team of detectives clashes with their disciplined new boss, they must catch a vicious band of robbers who are wreaking havoc on their city.

Emile Dutilleul, 47 years old, lives a quiet and withdrawn life in Montmartre and works as an employee in an open-plan office with an insurance company. When he meets his new, lively colleague Ariane, Emile discovers not only his inner life, but also something monstrous. He has a superpower of which he had no idea: he can walk through walls ...

At the end of WWII, the General De Gaulle decides dissolve all the French resistance networks that helped the allies. Only one was spared, the "304". Kept alive until today, it's mission hasn't change: fight the inside enemy. In 2018, this enemy is called corruption, lobbies and crooked politicians.