In War Zone, Angel helps software millionaire David Nabbit track down a blackmailer, ending up in the middle of a gang war between a group of street kids - led by amateur vampire hunter Charles Gunn - and a vampire gang who have settled in his South-Central neighborhood.
Cordelia, Wesley and Angel meet prospective client David Nabbit at a party, who explains he is being blackmailed by Lenny Edwards for going to a demonic brothel called Madam Dorion's.
Covered in heavy clothes and wearing gas masks, the vampires capture several of the teen gang members, including Alonna.
Searching for the vampire's lair, Gunn finds a newly undead Alonna, but at first can't bring himself to kill what used to be his sister.
Angel kills the vampire gang leader and arranges a truce with the rest of the group: he'll allow them to live if they leave town and never return.
This technique, which costs $5,000 per use, depends upon a CGI skeletal frame surrounded by simulated dust, carefully matched to a projection of the live action footage.
"[3] Producer Tim Minear liked the concept of an "entire subculture living under Los Angeles that you don't really see," which is a metaphor for the wealth stratification in LA: "You'll have upper class neighborhoods and a block away poverty...
"[1] He also liked the scene in which Angel is rescued from the meat locker by Wesley and Cordelia, who ask, "Why didn't you call us on your cell phone?
Kelly explains she twisted that connection by imagining the isolation and "raging despair" her character would feel after being made a vampire: "All I wanted is my brother... that's where I got the impetus to go into that ugly space - it was just the other side of loving.