Why it worked
The video uses a humorous and relatable scenario (questioning a seemingly fake backdrop) combined with a popular dance trend to draw viewers in. The subtle promotion of their store via the bio link aligns with the native content style, making it less intrusive and more likely to be accepted by the audience.
Summary
Two individuals are dancing in front of Big Ben, questioning the authenticity of the scene due to the lack of shadows despite the rain. They are promoting their online store, ANGELLLBOYS, with a link in their bio.