Kaash is a thriller movie about this simple man Kaashi (named after place Kaashi). Kaashi finds his world suddenly in confusion when his young, college-going sister Ganga, goes missing. This search leads him to the most unexpected of findings, revealing the layered secrets of Kaashi’s life. The quest takes them on a wild-goose chase from Varanasi to the Queen-of-The-Hills, Mussoorie. Will he find Ganga?