After becoming a scythe, Citra tries to stop the growing corruption of the scythdom from within, while Rowan has become the infamous Scythe Lucifer after being denied his scythe ring. He has been finding corrupt scythes and killing them - truly killing them - and the Thunderhead has done nothing to stop him.
In a world where disease, murder, and even death have been conquered, there is the need for scythes to kill in order to keep the population from growing too rapidly. Teenagers Citra and Rowan are thrown into an scythe apprenticeship that neither of them wants.
Synopsis: Even after trying to conserve water, the taps run dry in Southern California. The story follows a group of teens on the dangerous journey to find the substance essential for life: water.