During a mission, "The Ferryman" Amy accidentally discovered that the time mark of her colleague Leon exactly matched that of the assistant teacher from thirty years ago. When Amy was forced to face the memory that had been erased by the Space-Time Administration - she was not only a clone cultivated by Leon himself, but also a "safety device" created by the other party to avoid the paradox of time and space. And because Chen Huan, who had been struggling all the time, met Amy, her destiny began to change.
Among the three entangled gears of fate, the most dangerous thing has never been the cracks in time and space that can tear apart the black hole, but when Leon stares at Amy, he has the same tender gaze with precise calculations that he looked at Chen Wan.
Intention: Redemption, salvation, self-reliance