Call of Cthulhu Hook:
The party is hired to investigate a string of seemingly low-profile museum burglaries. In each, ancient documents in an indecipherable language were stolen. The documents themselves have relatively little monetary value, as historians cannot agree as to their meaning.
As their investigation unfolds, they learn that the documents are part of a larger volume, designed to call something to this world… #ttrpg #callofcthulhu