An illegal immigrant from Mainland China sneaks into corrupt British-colonized Hong Kong in 1963, transforming himself into a ruthless and emerging drug lord.

In the near future, convicts are offered the chance to volunteer as medical subjects to shorten their sentence. One such subject for a new drug capable of generating feelings of love begins questioning the reality of his emotions.

He is the vicious leech of the myths and, at present, the tragic lead of a love story.