When a small town near the Arizona-Mexico border is wiped out overnight, suspicion falls on the lone survivor. But a roll of photos the survivor took that night tells a different story.

Four soccer moms struggle to balance their busy schedules, family lives, and sanity: Meg, an overachieving people pleaser; Barbara, a recent divorcee; Rocky, a high-maintenance diva; and Connie, a curvaceous and big-hearted mother...