Following the unexpected death of a longtime governor, his widow and three daughters become locked in a tense struggle to secure his vast fortune and the authority it carries. Each seeks to outmaneuver the others, aware that control of the estate will determine who shapes the family's future. Into this charged atmosphere steps a young man presenting himself as Tatsuya Katori, whose presence soon complicates the already fragile balance among the claimants. As motives surface and suspicions deepen, the first moves in their contest are set in motion.