Miss Happy stars Pancake Khemanit as a happygolucky 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 Tuls video claims that Happy can stay alive if she dances in the way shown in the video
