Bella Square - The Conspiracy
When Bella Goth appears in Strangetown, everyone thinks the mystery is finally solved. But just as her family prepare to reunite with her after all those years, she disappears again. Allegra Gorey stumbles across the mystery by accident and her curiousness makes it impossible for her to drop it. But the disappearance turns out to be much more complicated than just an alien abduction gone wrong...
Warnings/Advisories: Violence, sex jokes.
Story can be found here (index)