From the Publisher:
A Mid-Level (4th-6th) Living Jungle Adventure
In this adventure, the PC's discover that the Rudra tribe, a proud and somewhat insular tribe on the River Of Laughing Idols, has been raided by a never before seen species of humanoids, the Lacerials. These evil Lacerials, led by the evil lacerial mage Blackflame, attacked the village, injured many of its inhabitants, poisoned the chieftain, and kidnapped the chieftains daughter. The PC's must track the Lacerials into the dread Valley Of Spirits, rescue the daughter, recover an antidote to the poison, and return before their three day deadline elaspes.