"Brotherly Advice" is an unfinished story featuring the Allison family, focusing on the dynamic between Steve Allison and his younger sister Mildred. In this story, Steve, a former professional gambler with a strong sense of responsibility for his sister's well-being, finds himself having to intervene in her social life to protect her from unsavory influences. The setting is Piretto’s Place, a popular cabaret and gambling-house in Greenwich, where Mildred is enjoying the company of the high-society crowd.

The story illustrates the contrasting lifestyles and values within the Allison family and highlights the challenges faced by a protective brother in a fast-paced social environment.