What happens
Angelo and the Second Merchant encounter Antipholus of Syracuse near the abbey, accusing him of denying the chain. A brawl erupts; Adriana and others chase the twins into the priory for sanctuary. The Abbess emerges and refuses to release them. The Duke arrives to witness Egeon's execution, but recognizes his lost son. As confusion multiplies, Egeon nearly breaks down—until the Abbess reveals herself as his wife, and both sets of twins stand revealed, ending the long separation.
Why it matters
This scene is the hinge between chaos and recognition. For four acts, the audience has watched errors compound—each character certain of their truth, each wrong about identity. Now Shakespeare begins to peel back the confusion, but not all at once. Angelo and the Merchant still accuse Antipholus of Syracuse of the chain denial, not yet aware they're addressing the wrong man. The chaos reaches a kind of crescendo when Antipholus of Ephesus arrives and the contradictions become impossible to ignore. The Duke's entrance—meant to oversee an execution—becomes the moment when authority itself must confront the limits of reason. 'I know not which is which,' the Duke admits. It's the play's clearest statement: identity cannot be determined by logic alone.
Egeon's recognition is the emotional core. For five acts, he's been a shadow—the father waiting to die, the loss that set everything in motion. When he sees Antipholus of Ephesus and asks if he knows him, he's not just searching for his son; he's testing whether love can survive absence and transformation. Antipholus denies him. But then the Abbess emerges and speaks: 'Whoever bound him, I will loose his bonds / And gain a husband by his liberty.' She is Egeon's wife, the mother, the final piece scattered in that opening shipwreck. Her recognition of Egeon is an act of will—a choice to see him as he was, or as he has become. The reunion is not inevitable; it's earned through time, wandering, and the grace of someone choosing to remember.
The revelation of the twin servants—the Dromios recognizing each other—mirrors and completes the revelation of the masters. What began as mistaken identity resolves into doubled identity, whole and inseparable. The play's final image is of two pairs of identical twins, walking hand in hand, neither one ahead of the other. Shakespeare moves from error to harmony not through logic but through time, accident, and the human capacity to recognize and forgive. The errors that seemed tragic become comic precisely because they're resolved; the separation that seemed permanent is healed.