1x11 - Brain Works

A note at the crime scene of the murder reads, "I did what my brain told me to." Later, the murderer turns himself in as he confesses his crime. The public is stunned by his identity and again by the fact that he’s requesting a reduced sentence. Without knowing whether it’s Hwang Dong Woo’s scheme to put Ha Ru on the witness stand, and with all eyes on him at the trial, Ha Ru begins answering questions.