A free-spirited singer whose love of music has him performing on the streets, Kang In Soo’s life revolves completely around music. Supported by his friends, In Soo hopes to someday turn his love of music into a full-time career, but doing so isn’t easy. Refusing to give up on his dreams, In Soo continues busking, day in and day out, while his best friend, Choi Min Sung, records his performances and uploads them on YouTube. Little does either of them know that In Soo’s performances have caught the attention of someone who could change the young musician’s life forever.