After traveling from another world, he was suddenly plotted by two groups of people. He was first sold into a flower house by his relatives, and soon he was kidnapped into the mysterious Nether Valley to receive training as a killer.
The unruly and passionate prince Nangong Yu, the sinister and ruthless Butler Leng, Mr. Yunyi who is outstanding in all aspects of music, chess, calligraphy, painting and beauty, Bai Muyan, the infatuated head of Yunmeng Mountain, and childhood sweetheart Bai Jing. Because of them, July's life has become colorful, and because of them, July's life is full of dangers.
She entered Prince Yu's palace under her false name, and the twin princes were willing to sacrifice their lives and the world for her...
