An unprecedented typhoon looms, threatening the lives of eight million residents in Water City. A 60-kilometer flood-drainage channel must be excavated within ten days, a mission so urgent that no one dares to take on, except Devan. They assume he's a fraud, but when the 100-Ton Heavy Trucks make a grand return, people are in awe. Yet Devan's shock to the world is far from over. Armed with the Construction System, he secures equipment, overcomes sabotage, and ultimately finishes ahead of schedule, saving the entire city. The feat stuns the world, and he is invited to take on international projects, embarking on a new journey.