Suspicious Partner Episode 18

Ji-wook gives the photo to Mr. Bang from Ko Chan-ho's place and requests an investigation.

The District Attorney hands over the file of the murder case of his son, Jang Hee-joon to Cha Yoo-jung and Na Ji-hae, and ask them to investigate again.

In the office, Ji-wook sees that everyone is doing well to Bong-hee, and he also approachs Bong-hee in the same way. Bong-hee tells her mother that she is in the golden age of her life.

Jung Hyun-soo, who sees Mr. Bang wandering around his house, realizes that he is under suspicious.

Ji-wook wakes up at night with a nightmare. Bong-hee says that she will stay next to him until he sleeps. Looking at Ji-wook's sleeping face, Bong-hee speaks to herself to not get swayed no matter how cute he is. 

Yoo-jung is jealous looking at Bong-hee between Eun-hyuk and Ji-wook, but the two seems not care. But Eun-hyuk comes back and walks with Yoo-jung from across the street.

Jung Hyun-soo planted the weapon he used when he killed Chef Yang Jin-woo in an abandoned car that Ko Chan-ho used, so Ko was pointed out as a new suspect.

Jung Hyun-su meets Bong-hee and says that he lied about his alibi. Bong-hee recalls what Ji-wook said about Jung Hyun-soo. At that time, Ji-wook calls Bong-hee and invites them two to dinner.

Bong-hee arrives at home and tells Ji-wook why he did not tell her about Jung Hyun-soo. Ji-wook asks how she knew, and Bong-hee said that Jung Hyun-soo told her first. 

Yoo-jung also visits Ji-wook's office, and they have dinner together in an awkward atmosphere. At the table, Ji-wook studies Jung Hyun-soo's face talking about Ko Chan-ho's story, and Yoo-jung announces that she took charge of re-examining Jang Hee-jun case.