The drama is based on the novel by Sawako Ariyoshi and explores the contrasting worlds of a housewife and a working woman, both vying for stability and recognition in a society that often overlooks their internal struggles.

: Michiko, once the victim of her husband Yoshio's infidelity, has fully transitioned into a more calculated and formidable player. She continues to leverage her position and her child to secure her future, often outmaneuvering both Yoshio and Machiko.

: Yoshio (Ken Ishiguro), the man caught between these two women, finds himself increasingly isolated. His attempts to maintain control over both his household and his secret life crumble as the women stop being passive participants in his games.

: The episode focuses heavily on the theme of "distrust" (as per the title Fushin no Toki ). The women realize that their true enemy isn't necessarily each other, but the man who has lied to them both. This realization leads to a shift in the "wars" where the focus turns toward individual survival and securing a legacy for their respective children.