Popularity is a TMDB metric that combines page views, search traffic, votes, and trending activity. It’s dynamic and updates daily. The higher the number is, the more popular the show is
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TMDB Rating
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AER
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AER stands for “Average Episode Rating” and is calculated by averaging all rated episodes.
During the Japanese occupation of Harbin, a covert resistance group disguised as a harmonica society uses music to transmit intelligence and fight back against enemy forces, enduring betrayal and sacrifices.