"The Twin Flower Shop" is adapted from a literary work of the Goryeo period. It tells a beautiful and dangerous story of love and betrayal between the Goryeo king, the captain of the personal guard team Jianlong Guard composed of beautiful boys, and the beautiful princess. Hong Lin, the leader of the Jianlong Guard, who grew up with the king (played by Joo Jin-mo), was deeply favored by the king because of his outstanding performance on the battlefield. Hong Lin was not only responsible for the king's security, but also often went in and out of the palace to serve the king's life. The close relationship between the two became an open secret in the court. Soon, Hong Lin obeyed the king's order to protect the princess (played by Song Ji-hyo) and even shared a bed with the king and his wife. The beautiful Yuan Dynasty princess had no love for the king and no children. After frequent contact with Hong Lin, she was deeply attracted to the latter. Hong Lin, who felt the love of a woman for the first time, gradually alienated the king. The relationship between Hong Lin and the princess was soon noticed by the king and aroused the king's terrible jealousy. On the one hand, the king was oppressed by the Yuan Dynasty and wanted to change the fate of the country, while on the other hand, he was caught in the vortex of personal feelings. Where should the king, Hong Lin, and the princess go? Behind the scenes, the beautiful kiss between Jo In-sung and Joo Jin-mo, Song Ji-hyo's nude performance, these headlines in the newspapers show the selling point of this film, which can be said to have borrowed the success of the previous costume erotic film "Beauty Picture" which was a big hit at the box office. In addition, the first historical drama directed by Liu He, who has always been known for his sharp satire of the present ("The Cruel History of Ma Zhou Street" and "The Despicable Street"), has also become a hot topic of discussion. The focus of "Double Flower Shop" is not to restore the original appearance of history, but to use the past to illustrate the present. All the original relationships or prototypes of relationships such as love, family affection, loyalty, betrayal, persistence, punishment, revenge, politics and other desires will be reflected in this film. Although they all involve the theme of court homosexuality, this film is essentially an epic masterpiece with a broad perspective that uses metaphors for all aspects of the real world. The title of "Two Flower Shop" comes from the famous Korean ancient book "Toegye Collection". It attempts to reproduce the splendid culture of the Goryeo era. The total investment is as high as 10 billion won. The use of props and jewelry in the film is very particular. Compared with "The King and the Clown" and "Hwang Jin Yi", it is basically based on the film download structure of the Goryeo era, with modern people's aesthetics as the foothold, and a large amount of historical research combined with modern clean and neat fashion taste. The production cost of shooting the scene of Guangyongshoudian in the studio reached 1 billion won. In addition, famous scenic spots such as Jeonnam-do and Jeju Island were selected to try to present the elegant picture effect of classical flavor. The post-production also uses more than 60 times higher than the current general film level. Precision technology. In addition to the strict selection of male and female protagonists, the actors who play the 36 beautiful boys of Jianlongwei, the guards of the Goryeo king in the film, also went through several discussions and auditions before they were finally decided. Interestingly, the recruitment of actors who play Hong Lin's childhood became the most troublesome thing for the crew who strives for perfection. It took more than a month to select one from more than 100 candidates, and the true identity of this little child star became a matter of curiosity for the audience.