Kim feuds with his father about his decision to pursue music for his career, meanwhile his brother Rain prepares to leave for a rugby camp.  Sun requests a special opportunity to audition for the band from Professor Wannasingh.

Sun meets his code brother, Rain, and goes out for a night of drinking with his new friends.  When Sun get's drunk, Biabua calls Kim to take him home as Kim is the only one who knows where Sun lives.