Somewhere...in the mountains of Colorado is a group of eco-vigilantes led by a single minded woman. She wants to "return the Colorado River to its natural, free flowing state." Someone... Mikel Mas, water lawyer and outdoorsman, experiences unexplained, odd occurrences and encounters. Trying to make sense of it all, he inadvertently learns of the group and its leader. At the same time, the leaders of the eco-vigilantes become aware of Mikel and his inquisitive efforts. Somehow... The lawyer and several buddies dig around and learn more. Playing cat and mouse with the vigilantes, the friends...