What happens
The Prologue announces the Trojan War's setting and scope. Troilus, a young Trojan prince, enters in distress, unable to fight because he's lovesick over Cressida. He complains to Pandarus, his uncle, that desire keeps him from the battlefield. Pandarus offers bawdy encouragement but little help. Aeneas arrives with news that Paris has been wounded by Menelaus, and fighting continues outside the city walls.
Why it matters
This scene establishes the play's central tension: personal desire at odds with public duty. Troilus's paralysis—'weaker than a woman's tear'—signals immediately that love, not heroic valor, will drive the plot. His extended metaphor of the sea voyage to Cressida, with Pandarus as Charon, transforms romantic pursuit into a cosmic journey, inflating private longing into quasi-mythic significance. Yet the scene undercuts this grandiosity through Pandarus's comic interjections and crude mill-metaphors, suggesting that Troilus's idealized love is naïve. The Prologue's brisk military summary—sixty-nine ships, seven years of siege—contrasts sharply with Troilus's paralysis, establishing the play's core irony: while a war for Helen rages, a young prince cannot move for love of a woman.
Troilus's language reveals a man trapped between two worlds. He knows he should fight ('Why should I war without the walls of Troy, / That find such cruel battle here within?'), yet he surrenders completely to metaphorical excess, casting himself as merchant, soul, and ship. Pandarus, meanwhile, embodies the play's comic mercenary spirit—he trades in flesh and arranges transactions. His famous speech on grinding flour and baking cakes mocks Troilus's impatience while establishing Pandarus's function as facilitator and go-between. When Aeneas arrives with battlefield news, Troilus's refusal to engage—'What news, Aeneas, from the field to-day?'—feels like evasion. The scene ends not with Troilus armed and ready, but departing to seek Pandarus's help, having accomplished nothing except defining his own helplessness.