Chief Cha is arrested and held for 48 hours as everyone looks for a way to get around the statute of limitations. Mu Yeom shares with Cha his theory that Gap Dong's signature and subsequent murders were a way for him to hide his personal connection to the first victim. Tae Oh continues to seek ways to avoid the death penalty, and Maria taunts him with another option. Profiler Han's claim to be an accomplice to the 4th murder is successful in it's effort to lift the statute of limitations.