Miss Happy stars Pancake Khemanit as a happy-go-lucky woman named Happy, who often annoys her best friend Golfie (Ben Chalatit). Unfortunately, Happy is diagnosed with having an irregular heartbeat that will likely cause her death within a month. In an effort to survive, Happy looks up information and finds a YouTube video made by Tul, played by Jitpanu Klomkaew (Ball). Tul's video claims that Happy can stay alive if she dances in the way shown in the video. 　　译文(2): 《快乐小姐》的主演凯曼尼特扮演一个名叫“快乐”的随遇而安的女人，她经常惹恼她最好的朋友高尔菲(本 · 沙拉提饰)。不幸的是，乐乐被诊断出心律不齐这可能会导致她在一个月内死亡。为了生存，乐乐查找信息，发现了一个由 Tul 制作的 YouTube 视频，由 Jitpanu Klomkaew (Ball)扮演。杜尔的视频声称，如果乐乐按照视频中的方式跳舞，她就能活下来。