Part 1: Young Jin and her team identify the suspect as Baek Sang Ho and closes in on him. Sang Ho learns that Sun Woo has the copy of the book he’s been looking for. He uses Tae Hyung to tail Sun Woo, but things don’t go as he planned. Part 2: 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. (Source: Viu)