Science fiction, mystery, adventure.
The story takes place in Splash World, a fantastic universe that Alex Terex has been developing for over ten years. This world has a special kind of humans with various supernatural «deviations». They are called Nimbs.
A well-coordinated tandem – a strong, determined Dina and a fragile psychic Sonya – work for Circle, an organization that studies people with supernatural abilities. The girls go to a distant marshland to check detected anomaly. They do not even suspect what awaits them in these deadly swamps…