After battling illnesses, Ellie jumps at the chance to work in the top scientific research institute in the world, a place where unbelievable discoveries are made every day. She not only finds her dream job, but also falls in love with a star scientist. She feels truly happy for the first time in her life. However, the happiness does not last long and soon she finds herself the target of revenge. As she starts her own investigation into the death of her co-worker, she starts to suspect that her lover is not only unfaithful, but also a murderer. She flees to what used to be home, and begins a new life with a new lover, but the past continues to haunt her. How far will she go to save the life of the lover from her past - a man she once loved more than the whole world?