Flora Belle, the eldest daughter of the Belle family, is a gifted physicist whose future shatters when her sister commits murder. To protect the family, she takes the blame and spends five years in a juvenile center. After returning home, she is met with cold rejection. Her sister steals her boyfriend, Henry Woods, leaving her heartbroken. She then focuses on rebuilding herself through science. Soon, the truth emerges—she was the one who once saved him, while her sister deceives everyone. Henry is left drowning in regret.