When the laboratory technicians working for Ancestor Lu discover the key to the immortality genetic structure, Victor names it the 'Cathy Key' in honour of his quest to make Cathy immortal.

Ancestor Lu humors him. But when events go fatally wrong and a Fortune Teller's grim prophecy comes true, soon a homicide investigation is underway and Cathy, once again, is a little too close for comfort Cathy's Key is a brilliantly involved mystery thriller, a love story and an entirely interactive experience with further developments to the websites and phone numbers and online activity which makes this package so unique and special.