The Affair Was Just The Beginning: The Twisty Crime Thriller K-Drama Everyone Is Talking About

The series premiered on July 31, 2026 and is available on Viu. New episodes are released weekly every Friday, with a total of 8 episodes. Early viewers have already been drawn to its unpredictable story, layered characters, and tension-filled mystery.

Led by acclaimed actresses Kim Hye Soo and Cho Yeo Jung, this best Korean drama contender blends emotional family drama with shocking criminal secrets, creating a story that keeps viewers guessing from episode to episode.

Show Overview

At the center of the story is Gyeong Hui, a successful influencer and business owner whose picture-perfect family image is admired by many. However, her world begins to crack when rumors spread about her husband’s alleged affair. While trying to uncover the truth, she stumbles upon a secret far more devastating than infidelity.

Next door lives Su Jeong, a dermatologist navigating a bitter custody battle with her ex-husband, Bo Seong. As the lives of these two families become increasingly intertwined, a shocking secret creates a chain reaction of lies, blackmail, and dangerous decisions.

With crime, family drama, and dark humor woven together, the series delivers a suspenseful viewing experience that constantly raises the stakes.

Genre & Themes

Genres

• Crime
• Thriller
• Suspense
• Drama
• Dark Comedy
• Family Drama

What makes The Affair Was Just The Beginning stand out among recent Korean dramas is its ability to turn an ordinary cheating scandal into a much larger mystery involving blackmail, hidden secrets, and moral dilemmas.

Fans looking for the best Korean family thriller filled with unpredictable twists will appreciate how the series blends emotional family relationships with crime-thriller storytelling. Each character is forced to make difficult choices, creating constant tension and intrigue.

The K-drama also explores themes of family reputation, ambition, parental responsibility, trust, and the consequences of seemingly small choices. As secrets pile up, every decision carries greater risk, keeping viewers constantly invested.

Meet The Affair Was Just The Beginning Cast

Kim Hye Soo as Gyeong Hui

Kim Hye Soo plays Gyeong Hui, a successful influencer, entrepreneur, and mother determined to protect her family and reputation. One of South Korea’s most celebrated actresses, she first rose to prominence in the late 1980s and has remained a major star for decades. 

Many viewers know her from acclaimed dramas such as Signal, Hyena, Juvenile Justice, Dr. Romantic and Under the Queen’s Umbrella. She is particularly praised for portraying intelligent, strong-willed women who balance authority with emotional depth. Her commanding performance is one of the drama’s biggest highlights.

Cho Yeo Jung as Su Jeong 

Cho Yeo Jung stars as dermatologist Su Jeong, a woman struggling through an emotionally exhausting custody battle while becoming entangled in a dangerous secret.

She is internationally recognized for her role in the Academy Award-winning film Parasite, which brought her global acclaim. Throughout her career, she has earned praise for portraying complex, emotionally layered characters. In this series, she brings both vulnerability and strength to Su Jeong’s journey. Her other notable works include Love in the Moonlight, Made in Korea, and Cheat On Me, If You Can.

Kim Ji Hoon as Jae Hong

Kim Ji Hoon plays Jae Hong, Gyeong Hui’s husband and a well-known actor whose actions help set the story’s events in motion.

After beginning his entertainment career in the early 2000s, Kim Ji Hoon established himself as a versatile performer capable of handling romantic, dramatic, and thriller roles. His ability to keep audiences guessing makes Jae Hong one of the drama’s most intriguing characters.

Kim Jae Chul as Bo Seong

Kim Jae Chul portrays Bo Seong, Su Jeong’s ex-husband, who is locked in a fierce fight for custody of their daughter.

His character contributes significantly to the drama’s emotional tension and legal conflicts. Bo Seong’s determination, frustrations, and personal struggles create additional layers of complexity as the story unfolds.

Lee Hwa Kyum as Ryu Ji Su

Lee Hwa Kyum appears as Ryu Ji Su, a supporting character connected to the entertainment industry surrounding the main cast.

Known for steadily building a diverse acting portfolio, Lee Hwa Kyum adds another compelling presence to the ensemble, helping expand the drama’s interconnected world.

Why Viewers Love This Show

One of the biggest strengths of The Affair Was Just The Beginning is its originality. What starts as a story about marital problems quickly develops into a suspense-filled crime mystery where every revelation changes the direction of the story.

The performances are equally impressive. Kim Hye Soo delivers a powerful portrayal of a woman desperately trying to hold her life together, while Cho Yeo Jung brings emotional depth to a character facing enormous personal challenges. Their strong screen presence creates much of the drama’s emotional impact.

Viewers also appreciate the balance between suspense and dark comedy. Even during tense moments, the story finds opportunities for sharp humor and irony, giving the series a unique identity among recent Korean thrillers.

With only eight episodes, the drama avoids unnecessary filler and maintains strong momentum, making it highly binge-worthy while still delivering meaningful character development.

Subtitles & Accessibility

The series is available with multiple subtitle options, helping viewers around the world enjoy the story comfortably.

Available subtitle languages include:

• English
• Traditional Chinese (繁體中文)
• Simplified Chinese (简体中文)
• Malay
• Bahasa Indonesia
• Thai (ภาษาไทย)

Subtitle availability may vary by region.

With multilingual subtitles, international audiences can easily follow every twist, surprise, and emotional moment, making the series accessible to viewers across different markets.

Common Viewer Questions

What genre is The Affair Was Just The Beginning?

It is a crime thriller drama that combines suspense, mystery, family conflict, dark comedy, and emotional storytelling.

Who are the main cast members?

The drama stars Kim Hye Soo, Cho Yeo Jung, Kim Ji Hoon, Kim Jae Chul, Lee Hwa Kyum, Jeon Si-Hyun (Gyeong Hui and Jae Hong’s daughter), and Do Young-Seo (Su Jeong and Bo Seong’s daughter).

Is this drama romance-focused or story-driven?

The series is primarily story-driven. While marriage and relationship issues play an important role, the central focus is the unfolding mystery, blackmail plot, and criminal secrets connecting two families.

Does The Affair Was Just The Beginning have English subtitles?

Yes. English subtitles are available alongside several additional language options depending on your region.

Is it suitable for binge watching?

Absolutely. With only eight episodes and a suspenseful storyline packed with cliffhangers, it is an excellent kdrama to watch over a weekend.

Why is The Affair Was Just The Beginning gaining attention among K-drama fans?

Many viewers are drawn to its unique mix of crime, suspense, family drama, and dark comedy. The combination of a star-studded cast and an unpredictable story has made it one of the most talked-about Korean dramas of 2026.

Where can I watch The Affair Was Just The Beginning online?

You can stream all available episodes on Viu with subtitle options available for international audiences.

Ready To Start Watching?

Discover One Of The Most Unpredictable Korean Thrillers Of The Year

If you’re looking for a good Asian show to watch that delivers mystery, family drama, crime, and unexpected twists in equal measure, The Affair Was Just The Beginning is a strong choice. From its stellar cast to its suspense-filled story, every episode raises new questions and keeps viewers engaged.

Sign up today and start watching The Affair Was Just The Beginning on Viu.