On a bleak winter morning, Takiko, normally a woman of quiet composure, summoned her three sisters to a gathering, and with a breath held, revealed the startling truth of their father's infidelity.

Disturbed by the unsettling report, Makiko is haunted by a premonitory dream. The sisters discover a letter detailing the affair within the pages of the local newspaper—yet the author remains unknown.

Sakiko confronts a deep wound of betrayal, while Takiko finds herself drawn into love. Tsunako’s clandestine relationship veers into perilous territory, and Makiko unexpectedly discovers her mother.

A careless spark from Kotaro ignites a blaze, prompting the sisters' return to their childhood home. There, amidst the task of managing the damage, familiar arguments and easy laughter intertwine.

Disorder descends, and pride is stung as Kotaro takes in a lodger. Tsunako encounters her son’s fiancée, Makiko, while Makiko grapples with unsettling doubts. Amidst these currents, the family convenes for a wedding.

As Hide’s moods continued their unpredictable shifts, Sakiko found herself increasingly strained. Meanwhile, Makiko sought solace in planning a match for Tsunako, who remained resolutely opposed to the idea of marriage.

When unforeseen circumstances begin to escalate, will the Takezawa sisters manage to overcome their ingrained differences and persistent conflicts to offer one another support?