The moment she is reborn, Su Ning rushes to her portable space, which is only three cubic meters. Inside is everything she desperately stockpiled in her previous life, packed to the brim with not a crack to spare. Meanwhile, the countdown to the apocalypse on her phone has three months left.
She thinks she's been reborn to stock up and survive, until she discovers a fine crack at the bottom of the space. Every time it widens, she forgets another memory from her previous life. Stranger still, the underground fissure depicted in the ancient scroll held by Gu Yanchuan, an archaeology student, is exactly the same as the crack in her space.
What the space can't hold was never supplies. It is the truth that has slept underground for a thousand years, the secrets of a civilization trapped in an endless cycle, and an ultimate choice involving “entropy,” memory, and sacrifice.
