A married couple enters their third year of marriage, only to find their daily life thrown into unexpected turmoil. The wife, Misuzu, used to work as a secretary at her husband's company but stepped down after marriage to focus on her role as a wife. Her husband is a lively, energetic company president who stays positive and driven at work, yet harbors a surprising tendency for infidelity in private. Meanwhile, the husband's older brother is unemployed and frequently comes asking for money, causing constant strain. Each time, Misuzu knows the cash is being squandered by her brother-in-law on pachinko. As tensions rise, the dynamics of the couple's relationship begin to shift—watch how their story unfolds.