3Hz is a Dutch spoken TV series by the Belgian Ketnet TV.
In both seasons one of the main characters is wearing fixed braces. In episode 2 of the second season it is revealed she has to wear a back brace due to scoliosis. Good close-ups of the braces. Although the back brace can been seen it hasn't any story arc.
https://dereferer.me/?https://www.moviemeter.nl/series/show/9313