7 Underrated Korean Mystery Thrillers to Watch on OTT

Hidden Korean Thrillers on OTT Radiocity By Radiocity Team Published Jun 10, 2025 [{ "selector": ".custom-gradient", "duration": "500ms", "fill": "forwards", "keyframes": [ { "offset": 0, "transform": "translateY(100px)" }, { "offset": 1, "transform": "translateY(0)" } ] }]

A Hard Day A corrupt cop’s day spirals out of control after a hit-and-run—gripping, dark, and laced with tension. [{ "selector": ".custom-gradient", "duration": "500ms", "fill": "forwards", "keyframes": [ { "offset": 0, "transform": "translateY(100px)" }, { "offset": 1, "transform": "translateY(0)" } ] }]

The Call A spine-chilling thriller where two women connected across time rewrite each other’s fates—with terrifying consequences. [{ "selector": ".custom-gradient", "duration": "500ms", "fill": "forwards", "keyframes": [ { "offset": 0, "transform": "translateY(100px)" }, { "offset": 1, "transform": "translateY(0)" } ] }]

A Tale of Two Sisters This psychological horror-mystery dives into sisterhood, grief, and guilt with a haunting, poetic style. [{ "selector": ".custom-gradient", "duration": "500ms", "fill": "forwards", "keyframes": [ { "offset": 0, "transform": "translateY(100px)" }, { "offset": 1, "transform": "translateY(0)" } ] }]

No Tears for the Dead A hitman struggles between duty and emotion—this one’s packed with action and moral dilemmas. [{ "selector": ".custom-gradient", "duration": "500ms", "fill": "forwards", "keyframes": [ { "offset": 0, "transform": "translateY(100px)" }, { "offset": 1, "transform": "translateY(0)" } ] }]

Extreme Job A mystery-action comedy where undercover cops run a fried chicken joint—hilarious and clever with thrilling moments. [{ "selector": ".custom-gradient", "duration": "500ms", "fill": "forwards", "keyframes": [ { "offset": 0, "transform": "translateY(100px)" }, { "offset": 1, "transform": "translateY(0)" } ] }]

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