Buffy The Vampire Slayer, season 9, book 13: Guarded, part 3
Andrew Chambliss, Georges Jeanty et Joss Whedon2012

Acting as bodyguard for her first-ever client, Buffy has found herself entangled in some nasty demon business with ties to Angel and his time in LA. Through the social network Tincan, some demons have been able to connect to our world, and any attempts to sever that connection will lead Buffy and her client into increasingly dangerous territory.