To achieve vision in this way, thisjourney into a darkness that is composed of women, a woman, who can see indarkness while he himself strains blindly forward
This represents 1) Real and true, collective female power. And 2) A foreshadowing that a woman, god knows who, but perhaps his own wife, Serena Joy knows more than he does. This may be instead Offred, who we know makes an escape by the end of the novel and sort of "wins".