When the 1943 collection of poems was opened, the typeface turned into a silver-winged butterfly, reflecting the memory of murder spanning centuries under the moonlight.
The dusty sapphire ring is not only a token of love, but also a container for the "Society of the Eternal" to seal its consciousness.
The underground chamber of the library, the non-linear ripples of time and space, and the secret contract in the blood have drawn ancient book restorers, occult researchers, guardians and hunters into a struggle.
Between the glittering scales on the butterfly wings, truth and lies are intertwined. Everyone has to choose: inherit the obsession of the deceased, or cut off the curse of eternal life? The projection of the ring under the moonlight is waiting for the last successor to reveal the betrayal and redemption that have been covered up for eighty years.
