The preview version of the episode guide for "Voyage of Temptation" (S2 Ep. 13) has just been posted at the main site with the following synopsis:
"As the Jedi and their clones defend Duchess Satine from assassination attempts, Anakin discovers that Obi-Wan and the Duchess have a history together."
The all-new episode of The Clone Wars airs this Friday at 9:00pm on Cartoon Network. We'll be sure to post an update when Starwars.com exapands to the full version of the guide.