The mortal world forgets its past in one day, and the empty mountain remembers one person forever.
Love and hate in the empty mountain will never be resolved. Some people live alone with amnesia, while some people cling to it forever.
Yu Yao, an ordinary person commuting on a rainy night, accidentally strayed into the mountains and was imprisoned for life by Luo Nichen, the Lord of the Secret Realm.
No one can escape here, and time freezes. She struggled desperately to return home and fell in love with the cold and paranoid Luo Nichen, entangled day and night. After years of confinement and tenderness, and deep love and hatred, the two finally got married, but never truly reconciled.
The only way to survive is hidden in the ancient wooden door on the top of the mountain. The rules of heaven are cruel: one person survives, and the other person dies.
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