Taeyeon is a girl from a poor family. Taeyeon must work even though only 17 years old in order to maintain the mother and her other younger siblings . Taeyeon has four younger siblings . Taeyeon's mother also had been paralyzed from the leg to the knee as a result of an accident that occurred two years ago. Taeyeon father had died in the accident that occurred two years ago. One day Taeyeon offered to become a manager for six new idol who is debut two months ago (ASTRO) by a man that she did not recognize. Taeyeon accept the offer