An accident bound ordinary nurse Lin Xia to the time and space repair system and became a "light tracer" who traveled through different worlds. In the barren desert of the interstellar colonial era, she rescued the commander Lu Chen who was supposed to die, but discovered that behind the Zerg uprising there was a shocking conspiracy of the top officials of the Interstellar Federation. The secret of the energy core and the origin of the Zerg Queen involved a power game across the galaxy; stepping into the hazy Bianliang of the Northern Song Dynasty, she wanted to protect the famous prostitute Li The legendary love between the master and the poet Zhou Bangyan has become entangled in the time and space confusion of the Jin Kingdom's secret agents who tried to rewrite the Jingkang Revolution and accelerate the downfall of the Song Dynasty; and when the gears of the mechanical city where steam and magic are intertwined are reversed, the inventor who was supposed to be a hero is involved in a time paradox. How will Lin Xia break the time and space shackles in the ancient clock tower.
As the restoration mission progresses, Lin Xia gradually uncovers her secret relationship with the Space-Time Management Bureau - it turns out that she was once the chief researcher who rewrote the fate of others, and the key figures such as Gu Chenzhou and Lu Chen who accompanied her along the way were actually the "observer containers" she created herself. In the process of correcting the world line, Lin Xia not only has to fight against the mysterious organization that attempts to control time and space, but also faces his own dusty memories and emotional shackles, looking for the possibility of redemption and rebirth at the intersection of countless parallel time and spaces. Every time she travels through time is a game with fate, and every decision is related to the life and death of millions of worlds. When the truth peels off layer by layer, can she break the established cycle and rewrite her own ending?
Purpose: protect homeland