Fresh off the exciting discovery that her sketches of a beautiful kingdom and band of rebel kids have come to life in another world, Kiki Kallira has an unexpected visitor. One of those rebel kids has come into the real world to ask for her help--again. The river Kaveri, a crucial source of water for Mysore, has suddenly vanished! With no water to grow food or for wildlife to drink, Kiki's kingdom is doomed.

Kiki enters her sketchbook once again, and her search for answers reveals the origin of the Kaveri: it's actually a princess from long ago who was transformed into water by a terrible curse. It's up to Kiki and her friends to restore the river without sacrificing the princess again--easier said than done! And with her mounting anxiety, enemies seeking to stop her, and a city growing weaker by the minute, Kiki's confidence falters. Will she be able to unravel the curse and save her kingdom before it's too late?