Top Korean Thrillers to Stream Before Park Hyung-sik’s ‘Twelve’ Premieres

K-drama fans are eagerly waiting for Park Hyung-sik’s upcoming fantasy thriller Twelve, which will showcase the actor in a rare villainous role. Scheduled to release on JioHotstar on August 23, the series also stars Ma Dong-seok as the leader of the angel gang, making it one of the most anticipated K-dramas of 2025.

Ahead of its release, here are some of the best Korean thrillers on OTT platforms that you can binge-watch, packed with suspense, crime, mystery, and unexpected twists.

1. A Shop for Killers – JioHotstar

Starring Lee Dong-wook and Kim Hye-jun, this thriller follows a teenage girl who uncovers shocking secrets about her late uncle’s mysterious business. Drawn into a dangerous world of weapons and criminals, she must fight for survival.

2. The Worst of Evil – JioHotstar

Led by Ji Chang-wook, Wi Ha-joon, and Im Se-mi, this crime drama revolves around an undercover cop determined to take down a powerful drug cartel. Facing mistrust from his in-laws, he risks everything to prove himself while navigating a deadly mission.

3. W: Two Worlds – Lionsgate Play

Blending fantasy, crime, and romance, this drama stars Lee Jong-suk as the hero of a comic universe. When a surgeon is pulled into her father’s creation, she finds herself caught between two realities. Chaos unfolds as a masked killer wreaks havoc across both worlds.

4. Flower of Evil – Lionsgate Play

Featuring Lee Joon-gi, this gripping series tells the story of a detective who uncovers her husband’s dark past while solving a case. As truth and lies collide, the drama explores love, betrayal, and redemption. The series has also been adapted into Hindi.

With Twelve just around the corner, these thrillers offer the perfect binge before Park Hyung-sik’s dark transformation hits OTT screens.