Cheon Na-Na sent a voice recording file where Chairman Cheon is threatening kill him. However, Kang Do-Chang and Oh Ji-Hyeok prepared a possible investigation manipulation of the record. Meanwhile, Team 2 Criminals managed to narrow down investigation after securing evidence in the form of Cheon Na-Na's fingerprints and blood that emerged from Jung Hee-Joo's clothes. Then Cheon Na-Na voluntarily came to the police station and made a team confusion.
