Five siblings struggle to live together after their parents have passed away. Arguments are a norm, and each have their own problems with studying, finding a job, marriage, etc. But no matter how dysfunctional their family can be, blood is thicker than water and the ties that bind will keep them together through thick and thin.

A man brutally murders a married couple and leaves the word “ikari” (“rage”) written with their blood. The killer undergoes plastic surgery and flees. At three different locations in Japan, a male stranger appears. People suspect that the stranger might be the murderer.

Kurisu has always admired his father, who runs a tax accounting firm, and dreamed of working with him one day. To broaden his skills, he joined a major tax firm, but a professional setback left him disillusioned. His life takes an unexpected turn when he meets racehorse owner Sanno Kozo, reigniting his sense of purpose.