“I-I like you, professor.” “I think it’s better for you not to do that.” “Ah, you’re leaving tomorrow anyway. I know, I know it! That’s why I wanted to tell it to you.” Yoo Daon, a second-year resident of Korea University’s Thoracic Surgery Department. That night, when she made her last confession gathering the utmost courage that she ever had in her lifetime, saying she won’t let her slave life end so pathetically, a wave of sorrow suddenly hits her. “Youngest! Professor Kang didn’t leave! He said that he’s going to stay at the hospital!” And that’s how the second act of slavery in her life has begun.