In the parallel universe, compared to our universe, there are exactly the same people. Yan Alai from the parallel universe came to our universe after the death of her boyfriend Ye Xinghe. While looking for another Ye Xinghe, she accidentally encountered herself killed in this universe.
Modern teen Qin Fang, born into a renowned swordsmanship family but lacking skill, is transported to the Qin Dynasty. Forced to survive in a brutal world, he embarks on a journey of growth. Along the way, he meets Meng Yu, an orphan from a rival tribe who secretly protects him and ultimately becomes his sword spirit.
Ye Boming and his wife Yilin run an aquaculture business on a remote island. When cousin Yina visits, she accidentally releases mysterious creatures from an abandoned mine. These creatures hunt by sound, forcing everyone to stay completely silent, but danger lurks everywhere in this suffocating, unpredictable world of silence.
