A modern youth time travels to become Adrian Valerius, puppet emperor of Great Qian, monitored by Grand General Leo Cromwell. He activates the God-Tier Tyrant System, awakens Lu Bu template, gaining power and summoning generals. He executes spies, sweeps rebels, summons officials (White-Robed Army), exterminates Leo Cromwell's clan, purges factions, resists Xia Dynasty, pacifies Wa Kingdom. He unites the world, abolishes Wa Kingdom, establishing his rule as an iron-fisted emperor.