Eva, an ex-dancer, is now living in a wheelchair, unable to walk. When her friend Sophie gives her an old wooden antique advent calendar before Christmas, she realizes each window contains a surprise that triggers repercussions in real life: some of them good, but most of them bad... Now Eva will have to choose between getting rid of the calendar or walking again… even if it causes death around her.

To save their heavily indebted father from being killed in jail, sisters Bianca (20) and Lola (25) are forced to become escorts for three weeks. Things are going smoothly on their last working night when they discover 5000 euros are missing. The situation takes a turn for the worst when Bianca hits Tania, wife and business partner of their pimp Dan, following a misunderstanding. Lies, accidents and murder: one night will be enough to change the lives of these two sisters forever.

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…