Briana is the wildest girl in school. When she challenges Kyle, her best friend, to a dangerous swim across the lake, she discovers an underground spring that contains a magical substance: the "green water." The mysterious, glowing liquid heals any physical wound, triggers a heightened sense of awareness, and evokes superhuman abilities. But there is a catch: once you drink the green water, you are addicted forever. When ruthless government agents learn of its existence, Kyle and Briana are thrown on extraordinary adventure that takes them far beyond their imaginations.