When a historian discovers a hidden passage in the Nanjing Crypt, he stumbles into a world where the past and the present intertwine, revealing chilling secrets and a supernatural force that refuses to be ignored....

In a forgotten crypt beneath Nanjing, the echoes of a tragic massacre continue to haunt the living. When a young historian stumbles upon the crypt, she must confront her own fears and uncover the truth behind the unseen massacre's chilling echoes....