Bayaraa, a weather-worn muralist who spent his glory years in Europe, has drifted back to Ulaanbaatar with nothing but a rickety rooftop tent, a box of fading paints, and Dolingor, the stray dog that shadows his every step. Each dawn he rappels down an abandoned Soviet-era factory wall, splashing mythic Mongolian landscapes across crumbling concrete while a sardonic red balloon...