A modern history professor is struck by lightning while paying his respects at Chao Gai's tomb, and transmigrates as Chao Gai in the early days of Water Margin. Drawing on his modern knowledge and familiarity with the original story, he plots to kill Song Jiang and poison Wu Yong, hoping to change the course of Liangshan's fate. Along the way, he maneuvers among various factions, facing conflicts in the martial world, pressure from the imperial court, and tests of human nature. See how he rewrites Liangshan's history step by step and creates a different kind of heroic legend.