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.

After seeing Sun fall ill during the band rehearsal, Kim pursues him and offers him a ride home. Before Rain leaves for his rugby camp, he finds ways to spend more time with Phayu.

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.