Based on stories from Gan Bao’s popular medieval book «In Search of the Sacred, In Search of the Supernatural» (Soushen Ji), but happened in years of early Chinese Republic and War of Separatism. Young orphan Lu Xinzhi became a pro rogue. One day Lu and his younger brother Mao Mao went to rob the abandoned Shen's Mansion but surrounded by local warlord's soldiers. Warlord is so impressed with Lu Xinzhi's skills that he takes Mao Mao hostage and forces his brother to find the Salamander Flower for him. However, what Lu Xinzhi doesn't know is that the Salamander Flower is just a cover, and what Warlord wants is the Shark Tribe's Pearl. which is guarded by the Salamander Flower, and he wants to use it to cure the disease. Lu Xinzhi, who was eager to save people, took the map given by the commander and embarked on the underwater planes of shark people. Stunned by shark guards headed by Yu Wen, heroic rogue fell into the river and saved by shark princess Xiao Shui