2020, the whole world is subject to dictatorship. Paris and all the capitals of the world are under the influence of a former army general who colonized all continents to seize power. Its only purpose: to destroy the planet and humanity. For this, it forces the greatest scientists to develop destructive substances. Under the effect of one of these gases, the world has lost its colors, people do not see any more than in black and white, they can not sleep anymore - there is no more night - only days trying to live and find sleep. But this is only the beginning.

Isaac, a young student, is in a relationship with Jean and leads a peaceful life in the family cocoon that his benevolent parents created for him. He falls in love with Elphège, a young woman in her class. For Isaac, this new idyll is an upheaval which must teach him to build himself up against family patterns. Heterosexuality has just been decriminalized.

A man wakes up in the shower of a small bathroom. He is injured, his hands and feet tied. He does not know why he is there. Two young women enter the bathroom, they look determined.

In Paris, a famous actor disappears overnight. One of his daughters, close to him, alerts his three other sisters, living in the province, and asks them to come to Paris to help him find him.