In 1982, André Bamberski learns about the death of his 14 year-old daughter, Kalinka, while she was on vacation with her mother and stepfather in Germany. Convinced that Kalinka’s death was not an accident, Bamberski begins to investigate. A botched autopsy report raises his suspicions and leads him to accuse Kalinka’s stepfather, Dr Dieter Krombach, as the murderer. Unable to indict Krombach in Germany, Bamberski attempts to take the trial to France, where he will dedicate his life to Kalinka’s justice and the imprisonment of Krombach.

In 1991, 24-year-old Detective Alexandre Falco has it all, a loving wife, a new-born daughter and his dream job. But one day out in the field, he is shot in the head. Falco opens his eyes again 22 years later to a changed world, where everything he once had is no longer as it was.