From the back cover:
"Framed for a heinous crime, the player characters must race against time to prove their innocence and save the Seven Kingdoms from disaster. With corrupt merchants, Rajan spies and the whole army of the Seven Kingdoms in their way, players will need to use all of their cunning and skill to overcome their enemies.
An adventure for 3 to 5 players, The Weight of Water is the first in a new series of adventure modules for the Talislanta Fantasy Roleplaying Game. Game statistics are included for both the Talislanta 4th Edition and the d20 system."