The Death Eaters get sent on a [dark and evil] mission.
The Mission: We get sent out for a few week mission, think same time period as DH, only there's a snatcher shortage or something. We have to spend a few weeks in the woods looking for mudbloods, truants, anyone on the run, etc. And of course anyone unfortunate enough to cross our path. :P
We may need someone to godmod Voldemort for the first part of the RP

START:

Kate paced the room nervously. She was waiting with the others to find out what their latest mission would be. After months of mere raids, they were all itching for some action.

She heard various noises behind her as the others fidgeted impatiently.

Then, with a creak, the door slowly opened..........