This is one of three quests initiated by reading the book "A Collection of Epitaphs". This book can be purchased from Sage Indis Surion in South Qeynos (in the Mage's Tower). It consists of a series of kill tasks in the Vermin's Snye. After each kill task you must read the book again for your next step. The steps are:
After completing all three steps the quest closes and you receive experience.