In an unknown year, humans mysteriously went extinct after a disease caused by the Friendly Pals — animal creatures genetically modified and given human-like intelligence for mankind's purposes. The Pals simply picked up where humans left off, building lives, families, and a future of their own. You play as Dan the Dog, a little guy who gets a phone call from his best friend Basil the Bat, inviting you to an old forest campsite to reunite with childhood friends. But this forest hides a dark past — and is humanity truly extinct?