We've already reached the end of Hayley Atwell's new ITV drama, and tonight life for DCI Denise Woods has totally changed. She's managed to take things in a whole new direction, and is even interviewing to become Superintendent of Lambeth. However, just when things seem to be going her way, there's a bit of news about her daughter... Reeling, she throws herself back into her work, investigating another grisly murder. It all seems straightforward until a van and some DNA point to a previous case. Can Denise finally solve the mystery?