异世界皇都，天神赤发鬼残暴统治，滥杀无辜。少年空文因被赤发鬼追杀，决定奋起反击。在黑甲（郭京飞 饰）的指引下，踏上了凡人弑神之路。这是小说家路空文（董子健 饰）笔下的奇幻世界。没想到小说的进程，竟然影响着现实世界。这时一名男子（雷佳音 饰）接下了刺杀他的任务……Six years after the abduction of his daughter, a man is hired to kill the author of a fantasy novel, but the world of the novel seems to intersect with reality.