I do know it's been widely praised since it began, but what you describe as the basic set up is about as much as I know. Though to be fair I haven't read much about it's story so as not to know what does happen if/when I do get around to it.
'If the Apocalypse starts, beep me!' - Buffy Summers
'The sky's the limit.....' Jean-Luc Picard, 'All Good Things'
courtesy of Saquist