Kim hyun joong watch and heard that Tiffany from SNSD had a crush on him and consider him as his ideal boyfriend.

Upon knowing that Hyun Joong thinking of getting her number and dating her for fun.

But after getting to know her and  they started going out.

He felt different he wants more and more and didn't want to break up with her.

But suddenly he remember his painful past about the his first love that he loves so much, he gave her everything until he found out she is cheating on him, that almost made him attemp suicide.

He was a mess for 2 years until he met Young Saeng ,Hyung Jun, Kyu Jong, and Jung min , they met on music class in high school, they all have passion for music which lead them to where they are now.

Even though Hyun Joong manage to pull himself up and forget about the pass, he was never the same, he never had a serious relationship and never trust girls and respect them as he used to, he will go out with them couple of times and break up with them.

He was still thinking to himself weather to trust this girl and give her his love but he still afraid to get hurt, he didnt want to go through the same pain again and afraid if he got hurt, he can never come back up.