The music video begins with a close-up shot of a female character dressed in a vintage, retro style outfit in a photo booth setting, establishing the vintage prom theme. It then introduces the two main singer characters through a sequence of close-up and mid shots focusing on their handshake, showing their friendship. Throughout the video, various techniques like intimate character positioning, costumes from different eras, and fast-paced editing maintain the fun, chaotic atmosphere of the vintage prom party, matching the retro-inspired lyrics and theme of the song "classic".