Oh Kang-hui witnesses her mom’s arrest. When training begins at the university, Dong-man appoints Su...

Determined to bring victory to his team, Sun-ho asks Dong-man for advice. The final assignment comes...

Sun-ho gets grilled in class. Kang-hui’s personal life is made public on the school website. Dong-ma...

Dong-man grows suspicious of a fellow professor. With Sun-ho by his side, he scopes out the scene of...

Another potential culprit appears on Dong-man’s radar. Sun-ho struggles to remember the events of th...

Sun-ho finds Park Cheol-jin suspect, but Dong-man is determined to keep him off the watch list. Kang...

Cheol-jin finds himself in an even deeper rut when he's cornered by Sun-ho and Dong-man. A cheating ...

Cheol-jin falls into a trap. Dong-man takes a closer look into Ko Deok-bae’s business. Kang-hui insi...

Sun-ho and his friends track the location of the burner phone. The professors step in to protect the...

Sun-ho gets Kang-hui a gift, but hesitates to give it to her. A critical piece of evidence is missin...

Sun-ho’s criminal history comes back to haunt him. Learning of Choi Hui-su’s connections to the case...

Sun-ho acquires a key to a safe, Kang-hui calls it quits and Dong-man gets eyes on the chief. Strong...

With his hands on the ledger, Dong-man is sure that he's pinned down the culprit. Sun-ho gets arrest...

The police look for incriminating evidence against Han Jeong-sik. The truth behind the foundation fi...

Sun-ho completes one final hacking job before dropping out of school. He turns himself in for his pa...