A new portal has been discovered in the Maze of the Open Road, and the Society has sent the PCs to investigate what secrets remain on the other side. The PCs discover the settlement of Ukuja, first of the nine walls that make up the Matanji orcs's aptly named Nine Walls nation. There, the PCs fall under scrutiny for a fiendish plot to destabilize the fortress settlement and must work to prove their innocence, all while discovering the true villain behind a fiendish invasion!