Why it worked
The video uses trending audio and dance moves to capture attention, while subtly promoting a movie through the creator's actions and the caption. The use of a popular platform like TikTok for promotion, combined with engaging visuals, likely contributed to its reach.
Summary
The video features a woman dancing and lip-syncing to a song. She is dressed casually and appears to be in a home setting with a staircase in the background. The video is likely a promotional piece for a movie or show called "The Memory of You 2", as indicated by the caption.