Coupang Play has officially unveiled the first teaser trailer for its upcoming black comedy K-drama The Affair Was Just the Beginning, offering a suspense-filled glimpse into a story where a shocking secret turns two neighboring families' lives upside down.

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The series follows the chaotic chain of events that unfolds when two couples become connected by a dark secret so enormous that an ordinary affair becomes the least of their problems.

About the Drama

The story centers on two neighboring couples whose lives become intertwined after a mysterious late-night incident forces them into a dangerous cover-up filled with lies, suspicion, and unexpected consequences.

Meet the Cast

Kim Hye Soo stars as Kyung Hee, a successful interior design CEO and top social media influencer, while Kim Ji Hun plays her younger husband Jae Hong, an actor. Together, they appear to have the perfect family life.

Kim Hye Soo as Kyung Hee
Kim Hye Soo as Kyung Hee
Kim Ji Hun as Jae Hong
Kim Ji Hun as Jae Hong

Living next door are Cho Yeo Jeong and Kim Jae Chul, who play a doctor couple trapped in a bitter and messy divorce battle.

Kim Jae Chul as Bo Seong
Kim Jae Chul as Bo Seong
Cho Yeo Jeong as Su Jeong
Cho Yeo Jeong as Su Jeong

Watch the teaser below.

Release Date

  • Title: The Affair Was Just the Beginning
  • Premiere: July 31, 2026
  • Time: 8:00 p.m. KST
  • Streaming: Coupang Play
  • Director: Lee Chang Hee (A Killer Paradox)
  • Executive Producer: Hwang Dong Hyuk (Squid Game)

The Affair Was Just the Beginning premieres on July 31, 2026, at 8 p.m. KST exclusively on Coupang Play.