An Affair
An Affair is not streaming on a US subscription app right now, as of October 6, 2026.
Seo-hyun is an ordinary housewife in her late thirties with a ten-year-old son and a successful architect husband. For her, life is a series of banal routines. Her sheltered life is suddenly threatened with the appearance of Woo-in, her much younger sister's attractive new fiancé.
Where to watch
Not currently available for streaming in the US.
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