Not Long after captureing The Joker, Batman learns that Catwoman is out of prison. Batman Tracks her down using Onstar and the chase is on. Batman Learns that Two-Face? and Catwoman are working together.
Webisode #1 | Webisode #3 & #4
The original document is available at http://www.batmanytb.com/tiki-index.php?page=Onstar+Webisode+2