Scarlet Infiel, a 15 year old teenager who never had the chance to see the sunlight due her condition. She is hypersensitive to sunlight, therefore, she never had the chance to go outside their home on a broad day. That's why she was home schooled. At her age, science and technology continuously grow thats why her parents had the chance to seek help from a physician who later discovered the a way that can help her stand in the sunlight for a long time. She is very happy about that. She is happy because for the first time of her 15years of existence, she can now go outside during daytime, she can also attend school, go shopping to malls, go to parks and other places without worrying her condition. She will also have a chance to meet other people and make friends. However, the medicine only have a limitted time effect. She can only stay outside the sunlight for 8 hours. But for her, the length of time is already enough to enjoy life outside their mansion. The mansion she regarded as her prison for 15years. But now, she had the chance to explore the world in daytime within the span of 8hours. It was enough for her, so, Scarlet begged her family to enroll her on the same school where her siblings study. There, she met new friends, and also Trex. With her new life outside, she will experience new things, and will also discovers the truth about her past. A secret will unfold. Will she remain the sweet and innocent Scarlet, or learning about the truth will change her?