Walking on Thin Ice

Episode 6 (1x6)

: 05, 2025

A violent attack on Eun-soo takes a horrifying turn when she recognizes one of the masked men as her co-worker, Dong-hyun. She and Lee Kyung manage to subdue him and his brother, but their desperate solution quickly unravels when the captives vanish without a trace. Now they know who she is.