Tell Me What You Saw is a 2020 South Korean mystery thriller series directed by Kim Sang-hun, with Jang Hyuk, Choi Soo-young and Jin Seo-yeon heading the cast. Across hour-long episodes it follows a damaged profiler, an ambitious police leader and a rookie with an extraordinary memory as a case everyone believed closed comes back to life.
What is Tell Me What You Saw about?
Oh Hyun-jae once stood at the top of his field as a criminal profiler, the investigator colleagues called when nothing else worked. That career ended in an explosion: a bomb set by a serial killer took his fiancee, and he withdrew from the force and from everyone who knew him. Years later, crimes bearing the same signature surface again, and the man the police had written off as dead appears to be active once more. Hwang Hwa-young, a fast-rising officer with a reputation to protect, refuses to let the case slip through her hands. She drags the reclusive Oh back toward the investigation and pairs him with Cha Soo-young, a young officer whose photographic memory lets her recall a scene down to the smallest detail. One carries grief and genius, one carries ambition, one carries a gift she is still learning to use, and each episode tightens the pursuit while exposing how much the old tragedy still shapes every choice Oh makes.
About the cast
Jang Hyuk, Choi Soo-young and Jin Seo-yeon lead the ensemble, supported by Ryu Seung-su, Jang Hyun-sung, Ha Sung-kwang, Shin Soo-Ho and Yoo Hee-je. The series leans on the contrast between its three central figures, and the performances carry much of the tension in scenes built around interrogation rooms, crime scenes and long silences rather than action set pieces.
Context & significance
Korean crime dramas built around profilers and cold cases became a recognisable strand of the country's television output in the late 2010s, and Tell Me What You Saw arrived in 2020 as part of that wave. Director Kim Sang-hun keeps the format compact: roughly sixty-minute episodes, a single overarching case, and a procedural rhythm in which each instalment adds one more piece to the puzzle. This is a show about method, memory and the cost of obsession rather than a romance with a crime subplot. For Persian-speaking audiences it comes with Farsi subtitles, which matters for a story in which the precise wording of an interview or a recollection is often the clue itself.
Watching Tell Me What You Saw on Ktime
Tell Me What You Saw streams on K-Time with Persian subtitles. You will need a K-Time account to play episodes; signing in takes a moment and the interface is available in Farsi, so moving between episodes and picking up where you left off is straightforward on a phone, tablet, computer or television.