The end of the world has come and order has collapsed. Agricultural genius Su He just wanted to make the land grow crops again, but he was forced to be bound to the engineer Wang Leilie who believed in steel and walls. While others were still fighting for a mouthful of food, they were already arguing over whether to build a school or an arsenal first. One holds knowledge and hopes to sow the future; the other carries force on his shoulders and is determined to build a fortress. From temporary partners who disagreed with each other to a life-and-death alliance entrusted to each other, they used quarrels, compromises and unparalleled tacit understanding in the wilderness to jointly draw a grand blueprint for the new world. This is a story about how two max-level bosses fall in love while building hard-core infrastructure in the ruins.