Astronauts have taken the very first steps on the moon, yet Brady Callahan feels anything but hopeful. Her brother, an army private, is missing in Vietnam and she's stuck at home in Minnesota, worrying about him and not knowing how to make a difference. Two newcomers in her life will help her find her path, though. There's the outspoken, charismatic Sally, who becomes entangled in a dangerous underground rebellion. Sally challenges Brady's practical...