Volatile and violent assassin Catherine is back and this time she’s been upgraded! Black Cat II reunites director Stephen Shin with leading lady Jade Leung in this sequel to the 1991 original. Catherine has now undergone even more experiments to help refine her ferocious outbursts whilst still trying to retain the little bit of humanity which survives within her. But her next assignment is to take on Russian terrorists who are trying to take out Boris Yeltsin, pushing her skills to the max. Lovers of action-packed sci-fi cinema will be enthralled by the breathtaking set-pieces, explosive stunts and outlandish plot.

Från IMDB:
Scientists install a micro chip, called Black Cat, inside the brain of a violence prone girl in an attempt to refine and control her fits of rage. Their plan is to turn her into the perfect government secret agent "killing machine".