Sang-hui has run away to Seoul from her quiet country life. She feels no regrets as she becomes nightclub hopper. In one of these clubs she meets the hard and bitter Yu-na who had suffered from many years of abuse at her father's hands. They become close friends and eventually meet a young man Yang-gu who seems to be a perfect match for Yu-na. However he is carrying a torch for a former lover. Sang-hui and Yu-na decide to hunt down and eliminate the competition...

Two cops, R and Noma, hunt down renegade cyborgs. Cyborgs are used as commandos by the military, as lust objects and for companionship. Normaly they have a limited lifespan of three years but black market technology is being developed to be able to transfer a cyborg's artificial intelligence into human host. This drives R to find a suitable host for his expiring cyborg Ria.