What happens
Angelo and a Second Merchant corner Antipholus of Ephesus in the street, demanding payment for a chain. Antipholus denies ever receiving it, but Angelo insists he delivered it that morning. The Officer arrests Antipholus for debt. Dromio of Syracuse arrives with news of a ship leaving port, but Antipholus mistakes him for his own servant and orders him to fetch money from home to bail him out. The tangled identities deepen as the wrong servant carries a message to the wrong master's house.
Why it matters
This scene crystallizes the play's central engine: the collision between claim and denial, between what one person swears happened and what another flatly refuses. Angelo is not lying—he gave the chain to Antipholus of Syracuse that morning. Antipholus of Ephesus is not lying—he never received it. Yet the legal system, indifferent to truth, arrests the man in front of it. The Officer becomes a mechanical enforcer of debt, blind to the actual facts. This is the moment when the errors stop being merely comic and become genuinely threatening. A man can be imprisoned for something he didn't do, simply because the paperwork says so.
Dromio of Syracuse's arrival—reporting ships and fraughtage—introduces urgency to the farce. He's trying to rescue his real master (Antipholus of Syracuse), but instead addresses a stranger (Antipholus of Ephesus) who beats him for speaking nonsense about ships and ropes. The beating is brutal and clarifying: Antipholus of Ephesus uses violence to enforce his version of reality. The scene shows how error breeds not just confusion but real harm—false imprisonment, physical punishment, emotional distress. By the end, Antipholus is in jail, a servant is bloodied, and a purse of gold is being sent to the wrong house. The machinery of the play is now generating consequences.