"Socially non-gendered BII operative Nightingale Spence discovers that the term safe house can be somewhat misleading. Their personal ghosts are out for blood, and tensions between their colleagues aren't helping matters. Then there's the matter of the missing boffin. Meanwhile, GETEC Supervisor Greg Hull has embarked on a whole new chapter in his life. Given his health issues are behind him, surely it makes perfect sense to find someone that he can have a little fun with..."