A family holiday to France ends in tragedy when a couple's five-year-old son is abducted.
Tony's attempt to have the case reopened gathers momentum.
An undercover police officer comes forward with possible information about Oliver.
The case is thrown into disarray by a murder.
Tony takes matters into his own hands, leading to a violent confrontation.
Tony covers his tracks, while Emily suffers a breakdown.
Emily returns to France as the case finally seems to be making progress.
The investigation into Oliver's disappearance reaches its conclusion
