A modern young man unexpectedly travels through time and becomes Chu Tian, the Emperor of Great Chu. He discovers that the world he inhabits is being corrupted by distorted female-oriented storylines, with everyone in the imperial harem caught up in abnormal settings. After awakening the Guardian Path System, Chu Tian resolves to eliminate the chaos and protect the world's order. He decisively deals with those disrupting the imperial court and palace, successively untangling the complicated affairs of the harem. Along the way, he accidentally uncovers the secret of Gu Lingyun, a general's daughter who disguises herself as a man. He also encounters interference from a hostile Charm System, but relies on his own strength and the system's assistance to overcome the crises. Once the world is completely restored to normal, he consolidates imperial rule, conquers lands in all directions, and establishes a prosperous age. In his later years, he gives up imperial power and travels across the mountains and rivers with the one he loves, bringing the story to a heartwarming conclusion with positive values.