Maria and Leyla, a couple, host a lunch with their friends. Julie and Anyssa are single, but Ines brings her new girlfriend, Maelle. Unexpectedly, Leyla has a strange reaction towards the newcomer.
The story of the family of lawyer Sofie and Commissioner Thomas that is struck by fate. Their five-year-old son, Arthur, disappears without a trace. This tragedy makes Sofie question her life. She ends her career as a criminal lawyer and starts training as a police officer. Three years later, she has a clear goal: to lock up as many criminals as possible while continuing to passionately search for her missing son.
