One wintry morning, the usually reserved Takiko calls her three sisters for a meeting, sharing shocking news about their father's affair.

Troubled by the news, Makiko has an ominous dream. The sisters find a letter about the affair in the local newspaper — but who could have written it?

Sakiko deals with a painful betrayal, Takiko falls in love, Tsunako's affair takes a dangerous turn and Makiko catches their mother somewhere surprising.

When Kotaro accidentally starts a fire, the sisters return to their childhood home to manage the aftermath with plenty of bickering and laughter.

Chaos erupts and egos flare as Kotaro takes a lodger, Tsunako meets her son's fiancée, Makiko confronts suspicions, and the family gathers for a wedding.

While Sakiko struggles with Hide's erratic behavior, Makiko tries to distract herself by arranging a marriage partner for the reluctant Tsunako.

As unexpected situations spiral out of control, can the Takezawa sisters put aside their differences and long-standing tensions to support each other?