From the back of the book (user's translation):
The screen booklet contains:
- new options to modify rules, create more heroic groups or give physical mutations to characters;
- new events for players to vote, and their consequences on Totems, Vermin and Humanity;
- advices on running and preparing adventures, and several rumors to bring into existing campaigns;
- six new scenarios, basis for campaigns or complete adventures, with characters, locations and specific rules.