From the introduction:
A Crown of Stone is the first adventure installment in the Wardens of Telehar series. It is designed for characters starting at 1st or 2nd level, with an optimal party size of four. The first chapter of this adventure will take the characters up to 4th level, whilst the full adventure will take characters up to level 15.
The adventure is set in the Wardens of Telehar campaign setting on the island continent of Merawien far to the east. Ancient and new kingdoms sit side by side in this inclusive land, constantly plotting against one another for power and prestige. In the midst of all this the nation of Ramuila has just been born, but after only two years the new kingdom is facing the prospect of annihilation from within and without.