A Hong Kong cop is sent to mainland China to find a group of killers. Meanwhile, a cop discovers that his former love is aiding the gang of crooks.A Hong Kong cop is sent to mainland China to find a group of killers. Meanwhile, a cop discovers that his former love is aiding the gang of crooks.A Hong Kong cop is sent to mainland China to find a group of killers. Meanwhile, a cop discovers that his former love is aiding the gang of crooks.