Heroes fight demons. That's about it.

Set in ancient China, Zeng Jing is a skilled assassin who finds herself in possession of a mystical Buddhist monk's remains. She begins a quest to return the remains to its rightful resting place, and thus places herself in mortal danger because a team of assassins is in a deadly pursuit to possess the remains which holds an ancient power-wielding secret.

Poor young cobbler Wu Di lives with his mother and is crazy about martial-arts picture books. One day he repairs the shoe of wandering swordswoman Yuelou and later helps save her in a fight with wanted criminal Tian Baguang, even though he has no martial-arts training. She tells him she owes him a life and can be found on Qin Mountain if he ever needs her. Yuelou is actually a princess who was due to marry the emperor but ran away after setting fire to her palace quarters. In love, Wu Di sets out to find her, fighting river pirate Dugu and his sidekick on the way, and also meeting a hermit Buddhist monk who offers to take him on as a pupil. Yuelou plans to attend a martial arts tournament to establish her name, little knowing that the emperor's chief eunuch Cheng has arranged for her to be secretly protected by Penal Bureau officer Yang Guo and to win the tournament, so the emperor can award her the prize and persuade her to reconsider marriage.

Master Kung and Lo Pa are two police officers of White Horse City, who have high skills but are underused. A robbery happened at he city's richest man Ho Pak Man's home where his whole family was killed and their family treasure the "White Jade Goddess of Mercy" was stolen and the "Police God" Tit Mo Ching investigates the case. Kung and Lo Pa cannot participate because of their low status. Coincidentally, Master Kung and Lo Pa arrest a pair of twin sisters, Water Dragon Girl and Fire Dragon Girl, who always pretend to catch wanted criminals to get monetary rewards. The twin sisters know that the "White Jade Goddess of Mercy" would be brought to the "Treasure Inn" for an auction. Wanting to hit big, Master Kung and Lo Pa go to the "Treasure Inn" with the twin sisters to investigate the truth. During that time, Master Kung and Water Dragon Girl become lovers from a kiss.