One month after losing her husband, Emiko was trying to recover from her grief, surrounded by the kindness of her late husband's older brother Hiroki and younger brother Keisuke. One day, when she checked the lottery ticket numbers that her husband bought every year, she found out that it had won a large amount of money. Emiko decided to keep the ticket instead of cashing it in as a memory of her husband, but... From that day on, however, she began to notice suspicious behavior from Hiroki and Keisuke. The body of Emiko, a widow, was targeted by middle-aged men addicted to money and greed...