Driven by a desire for genuine human connection, David Simple traverses the urban landscape of London and Westminster to find a single true friend. After being cast out by his own siblings due to their greed and deceit, David embarks on a quest to navigate the complex social hierarchies of the 18th century. He encounters various individuals whose outward appearances often mask internal corruption or superficiality. The narrative utilizes a third-person perspective to observe the moral failings of society through the eyes of an earnest, naive protagonist who struggles to reconcile his ideals with the harsh realities of human nature.

Discussion often centers on the work's role as a significant precursor to the modern novel and its contribution to the development of social satire. Readers frequently highlight the protagonist's unwavering moral compass as a foil to the duplicity of the characters he meets during his travels. Critics often examine how the text reflects the gendered expectations and economic pressures of the era in which it was written. The pacing is noted for its episodic nature, which allows the author to systematically dissect different facets of human behavior. Many scholars emphasize the importance of this text in understanding the evolution of character-driven fiction in the 1740s.