The video is at that link.

OH MY GAWD YOU GUYS! Why am I suddenly excited by this?

Perhaps because unlike expectations we DON'T see a jealous PB in the preview, and the website that put that description up never usually puts in correct information regarding anything not seen in them?

And because I really don't want to see a jealous PB.

Well, we till need to wait for the short version in a few weeks, but IT'S FLAME PRINCESS DATING FINN, PEOPLE!

It looks like she's ran away from home. And she literally lives in a fire.