Young Joo gets shocked when she sees her dad in handcuffs at the police station; she tries to gather evidence to prove Chang Ho's innocence and visits the prosecuting Judge Dong Joon.

Dong Joon gets married to Soo Yun through an arrangement and becomes Tae Baek's son-in-law and attorney; Young Joo becomes Dong Joon's secretary at Tae Baek and shows the footage from the highway on the night of the murder.

Young Joo realizes that Jung Il is the son of Bo Guk Industry who is tied up to the bulletproof investigation that Sung-shik was leading; Young Joo senses that Jung Il is related to the death of Sung-shik and asks Dong Joon for his security code.

Young-joo barely escapes the club with an unconscious Dong-joo; she suggests to Dong-joon they should apprehend Jung-il together, causing Dong-joon's attitude toward Soo-yun and Jung-il to shift.

Dong Joon and Young Joo try to obtain bulletproof test results that are in Soo Yun's safe; Soo Yun and Jung Il tries to find out the truth about the relationship between Dong Joon and Young Joo; Young Joo gets devastated by the news about Chang Ho.

Young Joo gets suspicious after seeing Soo Yun continuously checking tracking a package; Dong Joon gets puts in an awkward position when Il Hwan and Yoo Taek make a deal about Chang Ho's surgery.