Is Graveyard Keeper 2 a sequel?
The publisher's official store description calls it a sequel to the original Graveyard Keeper. That confirms the relationship at a high level without establishing every continuity detail.
The confirmed setup
The player is now the Grand Inquisitor. The announced goals include restoring the Town, helping its residents, managing the graveyard, and defending the realm with an undead army.
What has not been revealed
NOT CONFIRMEDOfficial sources checked for this guide do not provide a complete plot, detailed character relationships, quest outcomes, or the ending. Those details will not be guessed before release.