A murder in an ancient temple, a fall from a cliff in the mountains, and a transnational experiment—three clues converge in a mysterious ancient book.
The three of them approached the truth step by step, but found that with each layer uncovered, the darkness deep in their hearts was approaching.
Under the abyss, only by keeping one's heart can one survive.
Intent: A murder in an ancient temple, a fall from a cliff in a mountain forest, and a transnational experiment—three clues converge in a mysterious ancient book. The three of them approached the truth step by step, but found that with each layer uncovered, the darkness deep in their hearts was approaching. Under the abyss, only by keeping one's heart can one survive.