Young Jin faces Sang Ho on the rooftop of the hotel where he’s holding Eun Ho hostage. Sang Ho provokes Young Jin by talking about Su Jung’s last moments and the words she left. Young Jin has to try hard not to break down and capture Sang Ho alive.
Young Jin and her team arrest Oh Du Seok as the prime suspect of the murder of Yoo Pan Soo. Jang Ki Ho decides to lure Baek Sang Ho to the church where he has a one-on-one talk about the secret the book is holding.
Sang Ho finally acquires the book, and tries to decipher the message it contains. Although Sun Woo lost the book to Sang Ho, he managed to copy the entire book and hand it to Jang Ki Ho through Young Jin. However, Jang Ki Ho isn’t sure what the message means.