In the cold steel empire, children are never the private property of their parents. Marriage has long since disappeared, replaced by the cold "relationship registration system" - in the name of "equality", the state sends newborns to "fireplace homes" for intensive care. A man and a woman are one of countless registered couples. Their only child, B-7142, was taken away after birth and became a "collective son" with a number embroidered on his chest. The woman's longing for her child made her determined to tear apart the empire's lies and take her child back from the empire's hands. The priest's secret message, the nun's secret line, the federal submarine... An escape plan in the name of love was quietly launched. However, the scarlet electronic eyes of the mechanical dog, the double iron curtain of the high-ranking official area, and the flashing gold-rimmed badge on Ciyu's long sleeves have long been woven into an airtight web.
