It's a big day for Valerie, but Karen has forgotten something important. Will she be able to save the day? When a documentary film-maker visits the prison, Daniel helps a young inmate who is struggling to find his way out of the system.

Valerie tries to track down the baby from the photo in the mystery box. A new sergeant joins the station, but Rob isn't too happy about it. Jimmi tries to help a young lad with a stammer who has vital information for the police but is struggling to share it.