Minori infiltrates the cram school where her husband's alleged son, Wataru, is a student, hiding her identity to uncover Yudai's secret double life.

Riko, Yudai's mistress, is pregnant; Minori storms her salon, finally confronting the other woman in a high-stakes showdown of anger and revenge.

Wataru questions the morality of his mother's affair; Minori shares her own painful past, fuelling her resolve against the lovers' deceit.

Minori confronts Yudai about true love as her grandfather collapses; dark family secrets and years of lies come to light, raising tension for all.

A family conspiracy unfolds, revealing a hidden past that links Minori, Wataru and Yudai; Minori's mother-in-law betrays her.

At the grandfather's funeral, long-buried truths emerge; Minori seizes control, finally striking back at her deceitful husband and mother-in-law.

Minori forces Yudai to face reality with divorce papers; meanwhile, Wataru demands that his mother choose between him and his father.

Seven years later, Minori runs a café and meets Kotaro; her past resurfaces when Wataru, now a teacher, appears, stirring up old emotions.

Minori meets Wataru at their promised aquarium date amid sudden rain; Riko confronts Yudai, anger boiling, as old passions and tensions collide.

Threatening letters unsettle Minori; suspicions swirl around Yudai and Riko, and the town begins noticing her bond with Wataru, fueling paranoia.

Hiromi attacks Minori with a knife; as Riko hits rock bottom, Minori and Wataru face their ultimate choices and uncertain futures.