Fifty-year-old milf Chitose Matsubara, along with her husband Shigeyoshi, has been actively involved in anti-nuclear and environmental movements. However, it's revealed that her husband has secretly been receiving funds from an overseas nuclear mafia. Amid this turmoil, Chitose is threatened by Rin Ohara, the leader of the nuclear mafia. To overcome this crisis, Chitose becomes aware of her husband's true nature and takes action to protect her family. A dramatic tale unfolds, intertwining political conflict, love, and familial devotion.