Phileas Fogg wagers his fortune that he can circumnavigate the globe in eighty days, initiating a race against time and geography. Fogg, a man of rigid habits and mathematical precision, departs London with his new valet, Passepartout, to prove the feasibility of a global transit route. They face logistical hurdles, mechanical failures, and the persistent suspicion of a detective who believes Fogg is a bank robber. The narrative follows a linear progression across various continents, utilizing the travel logs and cultural observations typical of nineteenth-century adventure literature.

Readers frequently highlight the meticulous attention to detail regarding the logistics of global travel in the nineteenth century. Discussion often centers on the stark contrast between the unflappable Phileas Fogg and his more expressive valet, which provides both humor and balance to the narrative. Critics often note that while the plot is driven by the mechanical constraints of the wager, the atmosphere remains consistently engaging due to the rapid shifts in setting. The work is widely recognized for its influence on the adventure genre and its ability to maintain tension despite the predictable nature of the protagonist's character arc.