7.2 (1.3k)
Canada 
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We couldn’t find any streaming options in New Zealand, but Once in a Summer is available in the United States and 4 other countries on Rakuten Viki, Channel K Amazon Channel, and 10 other services.
An assistant to a TV producer, eager to stay off his bad side, promises to convince her former professor, a famous but reclusive academic, to appear on their show, which helps locate long-lost persons. Who does grey-haired Professor Yun Suk-Young want to see again more than anything? The answer to that question lies decades in the past.
