y/n is a 13 y/o girl and she belongs to rich family.. but she has a past life and many secrets hidden.. but only her love of her life knows it but sadly he/she is no more making her bit cold and heart broken... but she doesn't know that God had prepared for her something... She later join in the BTS as 8th member.. Will the boys accept it? Will the boys change her coldness and help her with the past? will she turn back to her old self? what is her past life and secrets are hidden?