Despite struggling her entire life to make a fortune, Wen Jiu, the richest woman in Dayan, found herself betrayed by a deceitful childhood friend, causing her to lose both her wealth and her life. However, she wakes up and discovers she is 15 again, with a vengeful old acquaintance seeking to marry his fifth brother to her. Knowing that the attractive man before her will one day be an influential regent, Wen Jiu chooses to be kind and offer to support their family financially. But on her wedding night, she is shocked to find her supposed elder brother in her chamber...what could he possibly be doing there?