From the earliest days, there have been Slayers. All over the world and all throughout history a secret war has been waged, with the forces of darkness and the True Demons trying to get back into the world. The only thing that has held them back is one girl, a chosen one with the strength and skill to defeat them. There's a lot out there besides California.
These mini-settings are similar to the ones in the Slayer's Handbook, suitable for a long term game or just a few episodes. They take the Buffy attitude and action to different eras and locations. There's Hellmouths all over, you know.
Slayers of the Caribbean - In the waters of the New World, pirates and buccaneers ply the waters looking for easy prey. But that is hardly the worst to be found. Cursed treasure, zombies, ghost ships, and untold horrors lurk in the island jungles. Out there somewhere is Captain Black - his black sailed vessel strikes only at night and leaves his victims drained of their blood. A girl has showed up in Port Royale looking for a crew to go after him...