The musical Happiness Fireworks revolves around the life changes of the Lin family, who run a Sha County snack business and portrays various characters in the Sha County snack industry. It conveys the message that the owners of Sha County snack businesses will continue to uphold the guidance given by General Secretary Xi Jinping, ensuring that "Sha County snacks continue to lead the way". Additionally, the musical takes advantage of the cooperation between Shanghai and Sanming, with its story grounded in Sanming (Sha County) and Shanghai. It showcases the deep connection between the two places and reflects the beautiful picture of rural revitalization. Shen Liang, the director of the Central Opera House, directs the musical. It features young and middle-aged vocal artists from the Shanghai Opera House and actors from the Sanming City Opera and Dance Theater.