For years, Anna has lovingly put her career on hold to fully serve her family and her husband Paul's job. Now that the children are about to fledge, Anna and Paul are ready for the seven fat years.
Anna is a behavioral expert at the National Police. Her help is called in when the body of a 17-year-old girl is found naked and with a bag around her head in a nature reserve. Forest ranger Michel is the last to see her alive. When Anna discovers a link to another disappearance, the case accelerates. And then another girl disappears.