Fan Bing Bing as Princess Ling An
Ren Quan as Leng Xie (Cold Blood)
Nicky Wu as Wu Qing (Cold Heart)
Nicky Wu as Yi Teng
Zhang Tie Lin as the Emperor
Zuo Xiao Qing as Ya Feng
Lu Xing Yu as Zhui Ming
Wang Jiu Xing
Dong Zhi Hua
Total Episodes: 34
The Princess of Ming Dynasty got kidnapped, the Emperor's "24 Jewels" disappeared, a map for soldiers deployment was stolen, the Royal Court is a mess!
At the same time, the country's been invaded and plundered by barbarians. There's also an enemy "Hurtful-Man" fleeing to the country's enemy who has hatred of the Emperor, kidnap the Princess, and stole the Emperor's "24 Jewels" and deployment map. Those barbarian leaders who have been invading the country thought the above is true but someone takes their heads instead. Enemy's situation suddenly is in a chaos, thus enemy is destroyed.
Actually, those 3 "Hurtful-Man" and fake Princess are all Zhu Ge Hou's disciples. It turns out that Zhu Ge Shen Hou plans this whole fiasco, deploying his favorite disciples Wu Qing (Nicky Wu), Tie shou, and Zhui ming with his three female disciples Ya Feng (Zuo Xiao Qing), Piao Hua, and Rou Xie to get rid of the enemy. And the person who kidnap the real Princess (Fan Bing Bing) is Zhu Ge Shen Hou's eldest disciple Leng Xie (Ren Quan). At this time, Zhu Ge Shen Hou and his four male and three female disciples celebrate for their success at "Butterfly Valley". Leng Xie and Ya Feng already engage, so Leng xie isn't that keen on concerning the Princess. Yet, the Princess develops feelings for Leng Xie once she returns back to her palace.
The Emperor honors Zhu Ge Shen Hou as "Ordinary Shen Hou" while his four male disciples as "Four Honorary Bounty Hunters". From then on, "Butterfly Valley" becomes famous with the martial art world calling those four people the "Four Great Bounty Hunters". Yet, these four bounty hunters have relationship issues with their three female disciples of Zhu Ge Shen Hou. What's more interesting is that Leng Xie has hidden feelings for the Princess! On the other hand, the supervisor of the Emperor's body guard conspires with a gang called "Lantern Club" to get rid of the "Four Great Bounty Hunters".
One day, Zhui Ming runs to Miao-Jiang to arrest some barbarians but he doesn't understand that place's custom that he marries Miao-Jiang tribe leader's daughter, Lan Xiao Yue! Zhui Ming then runs back to "Butterfly Valley" but his wife Lan Xiao Yue also runs after him. But to his bewilderment, nobody ever lives in "Butterfly Valley" anymore. It turns out that there is a spy in "Butterfly Valley" who betrayed everyone while Zhui Ming is in Miao-Jiang. Meanwhile, Tie Shou injured and falls into the river but saved by a thief called Shang Guan Yao Hong; Leng Xie escapes safely; Zhu Ge Shen Hou captured since he's poisoned.
Everyone suspects Leng Xie is the traitor but Leng Xie can't find anything to excuse himself, so he's forced to flee to escape from being murdered by his other colleagues. The gangster world also send out notice that they'll reward people handsomely for those who kill Leng Xie. When the Princess hears this news, she runs out from her palace to save Leng Xie. The princess encounter many hardships trying to find Leng Xie such as begging for food on the street and eventually being kidnapped and sold to a brothel.
While Zhui Ming goes through the world trying to find Leng Xie to kill, Zhui Ming's wife Lan Xiao Yue follows after him also. In desperate move, Zhui Ming hides in a brothel but saves the Princess who almost get forced to be a prostitute, who also learn a big secret from Princess. At the same time, Leng Xie sips into "Lantern Club" trying to save his master Zhu Ge Shen Hou whose imprisoned there, but got caught instead. The leader of "Lantern Club" then orders Leng Xie to get Emperor's head in exchange for Zhu Ge Shen Hou, otherwise Zhu Ge Shen Hou will be killed!
Leng Xie who is raised by Zhu Ge Shen Hou since little can't bear for his master to be killed so he takes his chance in the palace, but meet Tie Shou, Shang guan Yao Hong, Wu Qing who falls off a cliff but didn't die and his previous lover Ya Feng where all of them are surrounding him to attack him.
Leng Xie leaves with injury with his reputation not being cleared but at the same, Zhui Ming, the Princess and Lan Xiao Yue arrives. Everyone finds out that the leader of "Lantern Club" is actually Zhu Ge Shen Hou! And Zhu Ge Shen Hou is the real biological father of the Princess! Zhu Ge Shen Hou's real name is Xue Yuan Hao. Twenty years ago when the Emperor travels to the South, he forcefully takes Zhu Ge Shen Hou's wife and take her into the palace as a concubine. At that time, Zhu Ge Shen Hou's wife is already pregnant, later giving birth to Ling-An Princess. Hence, the Princess is Zhu Ge Shen Hou's own flesh and blood.
Xue Yuan Hao master a mysterious and powerful kung-fu, adopting disciples and create "Lantern Club" secretly in order to retaliate for being stolen of his family. Unfortunately, his disciples don't know any better and become "Lantern Club" biggest enemy!
And so, Leng Xie and his male and female colleagues defeat Zhu Ge Shen Hou and his organization together. All Zhu Ge Shen Hou's disciples then decide to retire from the world. On an edge of a cliff, Zhu Ge Shen Hou drinks down a cup of poison wine while songs from afar singing: Chilling wind comes at night and cold weather comes in the morning, people's hatred extends as long as the river.
Leng Xie returns to "Butterfly Valley" with the Princess. Several years later, flowers grown all over "Butterfly Valley", laughters and love prevail in the valley. A couple living like fairies, living happily in the valley. Underneath the sunset, the past gradually fades away.