故事建构在两个互为镜像，生死同命的平行世界中，元界的念阳枭为救心上人空灵慧，穿越到易界苦寻欲刺杀空灵慧的凶手，然而易界里两人竟是仇敌关系，空灵慧一心要致念阳枭与死地，与此同时，神秘的少女永儿、风流的街头小混混、冷面警官诺…

The story took place in two parallel universes named Yuan and Yi, where people shared the same life and death. Nian Yangxiao, came from the Yuan World to save his true love Kong Linghui, crossed the border to the Yi Worl…