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.
Thanks to science, after five years of coma, Florian has his mind transferred into another's body. Now he has to hide his identity, living as an officer with BATI, the anti-transfers unit.