Video : Ruby's Ring

JM Group marketer Jeong Ru Bi seems to have the perfect life, while her younger sister, ambitious TV reporter Jeong Ru Na, has always envied everything she has. But after a devastating accident turns their lives upside down, Ru Na secretly assumes her sister's identity while Ru Bi awakens with no memory of her past. Forced to live a life built on lies, Ru Bi slowly uncovers the truth behind the stolen identity, the shattered love, and the betrayal that destroyed her life. As long buried secrets resurface, the sisters' twisted relationship spirals toward revenge and destruction.