This is a story about a girl named 하늘 (Ha-neul), or Sky in English, and she had a normal life for the past 17years. Her best friends were from BTS, they helped her when she was in need, she was like a sister to them. Until one day.....everything turned around and she lost almost everything including her life. One of the members became very fond of 하늘 (Ha-neul), will he be able to help her in her toughest time, will she accept him and his feelings, or will she leave him with his one sided love?