The protagonist Lin Yan accidentally awakened his "psionic perception" ability during an experiment and was involved in the global "Nantianmen Project." As the mysterious power of Tianmen is gradually revealed, Lin Yan, together with team member Su Xuening and others, uncover the secrets of Tianmen and explore the strange world of different dimensions. In the struggle against the Black Lotus Society, Lin Yan gradually grew into a balancer between dimensions, while Su Xuening accepted her destiny as the "Key to Heaven."
