The end of the world has come, the city has been reduced to ruins, mutant beasts and predators are rampant, and the survivors are homeless. {Shi Jian}, the son of an ordinary architect, accidentally awakened the super construction system in a desperate situation. He can unlock various architectural drawings with one click and quickly build fortifications, underground bunkers, and solid city defenses. He started from a simple shelter, collected materials, rescued survivors, and built layers of defenses. Using systems and architectural wisdom, he built an impregnable rock city on top of the ruins. Resisting the impact of the beast tide, smashing the predators' conspiracy, and gathering scattered survivors, Shi Jian finally became a unique master of architecture in the apocalypse, using the rock city to support the survivors!