The widow Qiu Feifei, 23 years old, went to Beijing alone after poisoning her husband. She works as a bookkeeper in Rongjinji, with a clear goal - to marry into the powerful "Five Gates and Seven Hopes" and become the richest widow.
On her first day in Beijing, she targeted three targets: Xie Yunzhi, the eldest son of the Xie family, who was cold-faced and sinister, and secretly tracked down her background; Pei Yu, the second son of the Pei family, was a romantic and dandy, but he stalked her; Xiao Jinghuan, the young master of the Xiao family, was innocent and cowardly, blushing and sweating even when given a piece of osmanthus cake...