The death of Henry V leaves a power vacuum in England, igniting internal political strife and external conflict with France. As the young King Henry VI ascends the throne, his court is fractured by the competing ambitions of powerful nobles and the loss of English territories in France. The narrative follows the military campaigns of Lord Talbot and the rising influence of figures like Richard Plantagenet, who maneuvers to secure his claim to the throne. The play utilizes a multi-linear structure to track simultaneous events across the English and French battlefields, highlighting the fragility of the state under a weak monarch.

Discussion often centers on the collaborative nature of the text and the debate regarding Shakespeare's specific contributions versus those of his contemporaries. Readers frequently highlight the play's focus on military action and the rapid shifts in political alliances that define the early stages of the Wars of the Roses. Critics often examine the portrayal of Joan of Arc, noting how the text reflects the biases of the period regarding gender and national loyalty. The work is widely recognized for its role in establishing the complex dynastic tensions that drive the subsequent plays in the series.