Who is Rayford Steele? What are the struggles he's dealing with as the story opens? How does he cope? What is the effect of these struggles on the other members of his group?

Who is Cameron Williams? How is he related to Chloe? to Rayford? Who is Kenny? What is Cameron's job? How does this compare to his job prior to the Rapture? How does Cameron do this job?

Who is Chaim Rosenzweig? What is the role Chaim plays in the lives of the members of the Tribulation Force? What is the role he plays in God's plan as prophesied in Revelations and foretold by Tsion? How does he play these roles?

Who is Tsion Ben-Judah? What is his role in the Tribulation Force? How seriously does he take this role? What are his personal struggles? How does he overcome these?

What is the...