A decision with the most devastating consequences is made in the hunt for Emma's killer. And what happens to the detectives who challenge the order to let their suspect go?
We now know who killed Emma. But after a nineteen-year wait for justice, at what cost? We hear from the women left to pick up the pieces after years of not being believed.
The man accused of killing Emma goes on trial. In a remarkable twist, the defence discard their plan of attack and the accused chooses to take the stand.