"When an IRA fugitive decides to become an MI5 Supergrass, shockwaves reverberate throughout the criminal underworld. Ghosts from his past come back to haunt him, many people want him dead. Daniel Grant, the newly appointed Director General of the British Secret Service, decides to hides him in a safe-house with a difference.
Shady Fields is a secluded retirement home for retired ex Secret Service Agents, many with dementia and Alzheimer's, but don't let that fool you. They can still call on their expertise when the safety of their home is threatened."