It's been a month since I lost my husband. Surrounded by the kindness of her late husband's older brother Hiroki and younger brother Keisuke, Emiko manages to recover from her sadness. One day, when I checked the lottery number my husband bought every year, I won a lot of money. Emiko decides to keep the lottery ticket instead of redeeming it for the sake of memories with her husband, but... However, from that day on, Hiroki and Keisuke's suspicious behavior becomes noticeable. The body of the widow, Emiko, who was eyed by middle-aged men drowning in money and greed...