The Comedy of Errors is a drama of confused identities: two pairs of identical twin brothers, separated at birth and unaware that they are in the same city, are repeatedly taken for each other, and the members of each pair repeatedly encounter (and fail to distinguish between) the members of the other pair, while the wife of one brother even mistakes his twin for her own husband. The complication and unravelling of these confusions is set within a related narrative frame, in which a prisoner—the father to one pair of twins - is redeemed from imminent death and reunited with his wife after a separation that has lasted twenty-five years or more. As Shakespeare joined this latter, romantic or tragicomic premise to …
Moschovakis, Nicholas. "The Comedy of Errors". The Literary Encyclopedia. First published 22 August 2006; last revised 30 November -1.
[http://www.litencyc.com/php/sworks.php?rec=true&UID=1229, accessed 19 April 2015.]