An Affair: My Sister-in-law's Love (2018)

A South Korean drama-romance about forbidden feelings, family bonds, and the painful consequences of love that crosses every boundary.

An Affair: My Sister-in-law's Love - Movie Information

  • Original Title: 정사 : 처제의 사랑
  • Release Year: 2018
  • Directed by: Choi Min
  • Type: Movie
  • Genres: Drama, Romance
  • Runtime: 1h 13m
  • Original Language: Korean
  • Spoken Languages: Korean
  • Production Countries: South Korea

An Affair: My Sister-in-law's Love - Plot

Eun-joo is a twenty-year-old pre-college student who lives with her sister Eun-hee. Eun-hee is worried about her sister's academics and hires Je-hyuk as her tutor. Eun-joo falls for Je-hyuk as time goes by. They end up making love. A few months later, Eun-joo improves her grades and passes her tests. However, Eun-hee announces that she's getting married to Je-hyuk and Eun-joo doesn't want to lose him...

An Affair: My Sister-in-law's Love - Trailer

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An Affair: My Sister-in-law's Love - Cast & Crew

Director(s)

  • Choi Min

Main Cast

  • Lee Chae-dam
  • Do Mo-se
  • Kim Ji-yeon

An Affair: My Sister-in-law's Love - FAQs

What is An Affair: My Sister-in-law's Love about?

The film follows Eun-joo, a twenty-year-old pre-college student living with her sister Eun-hee. When Eun-hee hires Je-hyuk as a tutor, Eun-joo falls for him and they become intimate. The story takes a dramatic turn when Eun-hee announces she is marrying Je-hyuk.

Who are the main actors in this film?

An Affair: My Sister-in-law's Love stars Lee Chae-dam as Eun-joo, Do Mo-se as Je-hyuk, and Kim Ji-yeon as Eun-hee. The three leads form the central love triangle that drives the film's emotional and dramatic tension throughout.

Who directed An Affair: My Sister-in-law's Love?

An Affair: My Sister-in-law's Love was directed by Choi Min. The film is a South Korean production released in 2018, running approximately 73 minutes and blending drama and romance within a story of forbidden feelings and family loyalty.

Does Eun-joo end up with Je-hyuk in the film?

The film builds toward a tense confrontation when Eun-joo learns that Je-hyuk, the man she fell in love with during tutoring sessions, is set to marry her sister Eun-hee. Whether Eun-joo fights for him or steps aside forms the emotional core of the story's conclusion.

What genre is An Affair: My Sister-in-law's Love?

An Affair: My Sister-in-law's Love is a Drama and Romance film. It explores themes of forbidden love, family loyalty, and emotional conflict, set within a domestic Korean setting that intensifies the personal stakes for all three central characters.

How long is An Affair: My Sister-in-law's Love?

An Affair: My Sister-in-law's Love has a runtime of 73 minutes, making it a compact and focused feature. The film uses its brief running time to build character dynamics and emotional tension between the three leads without unnecessary padding.

What language is An Affair: My Sister-in-law's Love in?

An Affair: My Sister-in-law's Love is filmed entirely in Korean. It is a South Korean production, and Korean is both the original and spoken language of the film. Viewers outside Korea typically watch it with subtitles in their preferred language.

What are similar movies to this film?

Viewers who enjoy An Affair: My Sister-in-law's Love may also appreciate similar titles such as My Wife's Sister 3 (2019), Girls' Stories (2019), An Affair: Kind Daughters-in-law 3 (2019), and Little Older Sister 4 (2020), all of which explore comparable themes of domestic romance and forbidden desire.

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