To save her boyfriend's life, Anna becomes the secret lover of the ruthless CEO Ian. Abandoned and heartbroken, she enters the orbit of the playboy David. Faced with terminal heart failure, she encounters Ian again, now disguised as a mysterious figure known only as K. Her world is further complicated when her amnesiac ex-boyfriend Louis returns, only to be rescued by a powerful crime lord who forces her into a marriage. Caught between the obsessions of four powerful men and a web of dark secrets, Anna must navigate a path of desire and danger to find a love that is truly her own.