Episode 1
Tragedy strikes when five-year-old Oliver goes missing on a family holiday to France.
Episode 2
Tony's investigation gathers momentum as he finds the first bit of concrete evidence.
Episode 3
Progress into the case is initially slow but a shocking new lead emerges.
Episode 4
The stress of the reopening of the case takes a toll on Emily and Mark's relationship.
Episode 5
In 2006, Tony and Emily's pleas to reinvestigate a suspect again fall on deaf ears.
Episode 6
In the present day, Tony and Julien make a breakthrough.
Episode 7
Tony and Emily return to Chalons du Bois and their relationship thaws.
Episode 8
The truth about Oliver's disappearance finally comes to light.
