Gaskell is forced to confront his misdeeds while treating a murderer with a brain tumour. With Hanssen inching closer to the truth and Project Laszlo still not perfected, is it time for Gaskell to come clean?\n\nJac struggles to pinpoint what it is about Steven she doesn't trust. When she discovers he may have an ulterior motive for returning to his son's life, will she put her integrity on the line to protect Fletch?\n\nWith Xavier once again distancing himself from his friends, Donna hopes pushing him to confront the strained relationship with his family will finally open him up. But does Xavier really want her help?
Source: BBC 1