Well, are you going to just dangle the bait, or hook us and reels us in with the full story?
I figure you can google it, but the charges against Julian Assange stem from two women who know each other who both sought him out due to his celebrity for consensual sex at two different parties, which they had. He did not use a condom, which they protested to after the fact. Apparently it is specifically illegal in Sweden to have sex with someone without a condom unless they know you aren't using a condom, or some such. It's not known whether he mislead them or what, but he had sex without a condom with both of them, and they either didn't know or didn't care until after the fact. They initially went to the police (together) to see if they could legally compel someone to have an HIV test, and the charges were built from there.
So apparently in Sweden "Yes we had consensual sex, but I didn't realize he wasn't using a condom" is grounds for some kind of sexual misconduct charge, but the way it is reported in English-speaking new media, you would think he raped them.