Seo yeon a girl who have traumatic background since she 7 years old seo yeon got force to be a experiment from the Famous company, no one can't found it but until one day Yeon can't control her power and destroy the place, she run away in dark alley before faint when she wake up Yeon already inside room with two people named seo jiwo and her mother, she take Yeon as adopted. seo yeon never tell them her story because she don't want them to worry about her and she don't want they get scared of her.