There is a drought in Ranj's village. The water is running out and the villagers are praying for rain to come. The water reservoir, which is usually overflowing, is now empty and Ranj wonders where all the water has gone. She's going to get to the bottom of the mystery! She brings her notebook and her friend Sapna. If only it would rain soon, all the problems would be solved! "The Case of the Missing Water" is an educational book about how the water industry works.