The Cake (Originally Transmitted 13 October 2017)
There are smiliarities in this episode with Disturbing the Peace. A new strict officer "Gemmel" is introduced to replace Mr Braithwaite who is seen as too soft on the prisoners.
Officer Meekie likes her because of her stern attitudes but she goes too far by mistakenly eating a cake laced with drugs allowing Mr Braithwaite back in after her transfer.
This is one of those episodes where you can see what they are trying to do but never quite manage to pull it off.