A widow surrounded by middle-aged men

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 tries to recover from her grief. One day, when she checked the lottery ticket numbers that her husband bought every year, she won a large amount of money. Emiko decides to keep the lottery ticket instead of cashing it out for the memories she has with her husband, but... However, from that day onwards, Hiroki and Keisuke's suspicious behavior becomes noticeable. The body of Emiko, a widow, was noticed by middle-aged men addicted to money and greed...