Chen Mo, a modern physics researcher, is transmigrated into Omar, the powerless puppet king of the Middle Eastern Shah Kingdom, after a laboratory explosion. The court is controlled by the empress dowager and minister Rashid’s faction. At the start, Rashid’s sister Mina is sent to assassinate him, but Chen Mo subdues her and confronts her brother, establishing his authority while unlocking a military exchange system that lets him trade prestige for weapon blueprints.
His political rivals exploit a severe drought to pressure him, but Chen Mo applies ancient Chinese governance policies to relieve the people, and uses scientific principles to create artificial rain, winning massive public prestige. He secretly forms an elite special force with his trusted follower Jamil. When foreign envoys collude with the second prince to set tricky academic tests, Chen Mo easily solves them with his modern knowledge.
Enraged, the rebels collude with a 500,000-strong foreign army to stage a coup. Mina defects and warns Chen