The playground of a secondary school, nowadays. Théo, 13, witnesses and films the ha- rassment of his friend, Alexandre. When he realises the next morning that Alexandre will not be coming back to school, Théo hesitates. Should he denounce Lewis and look like a snitch in front of the whole school, or turn his back on his friend?

Summer holidays. David, 16 years old, is bored to death. A microwave will gets him out of his routine.

Fifteen-year-old Salomé works in the workshop of her father, a painter celebrated for his blue color. But for some time now her father has not been able to make his famous color, putting the workshop in danger. Salomé begins to hope that he will pass on to her his, up until now, jealously kept secret.

In Brignogan-Plages, thirty-year-old Zoé works with her father, Guy, at his bar "Les Bigorneaux". Since the premature death of her mother, she wears herself out by taking everything into her own hands. One morning, Zoé starts suffering from dizziness and nausea, which disrupt her daily life.

Naval Officer Berken faces a wall of resistance as she investigates the murder of a soldier.

Three women from Brest. Léanne, the cop, a hothead whose ambition knows no bounds. Élodie, the forensic pathologist, a settled family woman. Vanessa, the psycho-criminologist, a fiercely independent and outspoken woman. Three childhood friends reunited since Léanne's recent return to Brittany following the death of her husband during an operation. Together, and despite their radically different personalities, they will hunt down the region's criminals while juggling their lives as women, trying their best to balance their work, family life, love, and friendships…

A police captain specialized in Crime History is investigating on the discovery of a corpse found on the beach of Saint-Malo. She tries to convince her temporary teammate that their case would be linked to piracy.