In a world where the faith of the Harvest Goddess is alienated, 2,250 mutated farms were eventually melted into a life-devouring altar of flesh and gears. The altar transforms those who touch it into living crops, engraved with the bloody motto "Sowing is a sacrifice, harvesting is a burial." Kaiden, the son of a former farmer, carries the warning of "escape" written in blood by his father. He forms a team with botanist Lina, highly mechanized veteran Scarface, and genetically pure girl Jiya to go deep into this twisted land of death. They witnessed crops imitating the expressions of the deceased, discovered that human mechanical transformation had the same origin as the darkness of the altar, and even glimpsed the moment when the altar stagnated in Jiya's pure tears. Finally, at the core of the Flesh Gear, Kaiden faced the cruelest truth - his father's still beating heart was embedded in the center of the altar, and every beat was calling his nickname. This is a desperate journey against the alienation of faith, the backlash of technology and the curse of family ties. The price of survival and truth is far beyond imagination.