Bong Hee tries to find Hee Joon's real murderer, but her only hint is a melody. Ji Wook has trouble adjusting to no longer being a prosecutor.

Bong Hee and Ji Wook take on opposing clients, but they realize they must work together when things go awry.

Bong Hee has a close encounter with the culprit. Ji Wook notices District Attorney Jang keeping an eye on Bong Hee.