A street dancer and an underground rapper come across each other's paths. They fell in love at first sight, but neither one acknowledges it until BTOB decides to step in.

One day something happens to Ilhoon, her lover, and she's too late to give him his last wish.

Abby

- 17 years old

- Dropped out of high school

- Lived in Korea for 10 years

- Parents died when she was six years old

- A street dancer

- Knows two languages: English and Japanese

- Knows how to Bboy, krumping, locking, and hip hop dance

Ilhoon

- 19 years old

- Never graduated high school

- Parents abandoned him

- An underground rapper

BTOB 

- 18 to 23 years old

- All high school drop outs

- Live together in one apartment including Ilhoon

- Eun kwang, Min Hyuk, Chang sub, and Sungjae are street performers, they sing

- Hyunsik is a solo street dancer

- Peniel is an underground rapper along side Ilhoon