Kang Seok loses his memory as well as his ability to understand anything. But slowly it's revealed that he has indeed become a genius in memorizing things. Se Gwang gets appointed as a prosecutor and he beaks up his relation with Bi Ryeong. Kang Seok finally remembers that he has mom and dad, but nothing more than that. He lives in an orphanage. Meanwhile, Bok Jae In develops a huge crush on him.