Modern painter Su Mo accidentally transmigrates to the Great Qian Dynasty—reborn as a street beggar—and gains the divine 'Magic Brush System' that brings his paintings to life. Using his artistic mastery and modern knowledge, he punishes tyrannical bullies, topples corrupt official Zhou Dai, leads villagers in building irrigation systems and rebuilding Pei County, and joins forces with Cavalry General Xiao Ling Shuang to defend against the Northern Hu invaders.
