Give me 1 1/2 and I'll tell you how it is, just watching it now. You may find that the 'second season' is actually the first full season. My understanding was the initial eps: there are only 8, so it's like a mini series or long 8 part movie. Obviously they decided to run with it
EDIT: whelp it was aright, for a pilot didn't really grab me, but pretty unique for a TV show/ felt more like a movie almost no action though. Some pretty cool shots of the city; if you've seen True Blood it's kinda like that I guess, similar southern feel very dark, zombies seem more intelligent and concious