From the back of the book:
Thwart a Draconic Threat
Benwick's betrayal still stings, but you learn that he has ore nefarious plans afoot -- he means to take the Keep on the Borderlands by allying with the nearby lizardfolk tribe and a pair of black dragons. Can you save the keep, restore your honour, and bring Benwick to justice before his forces are brought to bear?
Keep on the Borderlands: A Season of Serpents (Chapter 4) is designed for five characters of 2nd level and is the fall and winter 2010-11 season of the D&D Encounters official play program. This Dungeons & Dragons adventure includes a full-color battle map, ready-to-play encounters, and DM information on the D&D Encounters official play program.