Who does Kim You-jung play in 100 Days of Lie?

Kim You-jung plays Lee Ga-kyung, a spy who infiltrates the Guk-guk resistance group in colonial-era Korea. The character works undercover in enemy territory to support the independence movement.

What happened in episode 4?

Episode 4, which aired October 18, showed Lee Ga-kyung taking part in a plot to assassinate Sato Shin-ichi, a key Japanese figure played by Jin Seon-kyu. She was tested by a kidnapping staged by Yoo Pil-lip, and after doubts about her loyalty she was persuaded by Yoo So-ran to stay on the mission.

How are the ratings doing?

According to Nielsen Korea, episode 4 averaged 9.0% nationwide and peaked at 9.8%, a series high. Among paying-platform households in the Seoul metro area, it averaged 9.8% and peaked at 10.6%.

| Region | Average | Peak | |---|---|---| | Nationwide | 9.0% | 9.8% | | Seoul metro (paying platforms) | 9.8% | 10.6% |

For international fans

The drama marks tvN's 20th anniversary special and runs 16 episodes. It is set during Japanese colonial rule, so viewers unfamiliar with that history may find the context helpful. Check tvN or local streaming services for current availability in your region.