In the thriving Kingdom of etabsam, Crown Prince Mark von Faust, a reincarnated accountant, has transformed his bankrupt nation into an industrial powerhouse, leading the prosperous Tempest Federation across the Continent of Sugbu. However, this success draws the ire of the secretive Black Hand, a powerful shadow organization led by the enigmatic Weaver, who seeks to control all of Sugbu. Mark and his loyal team have consistently thwarted the Black Hand's plots, from assassinations and sabotage to intellectual warfare. Yet, The Weaver prepares a new, more devastating strategy, aiming to exploit etabsam's very strengths and the subtle vulnerabilities of Mark's complex industrial system, threatening to shatter the hard-won peace and ignite a continent-wide war for control of Sugbu's future.