Black boy a zombie woman pair

After a zombie becomes involved with the girlfriend of one of his victims, their romance sets in motion a sequence of events that might transform the entire lifeless world.

A low level wannabe yakuza is given a job of collecting drugs stolen from a doctors office. But at the collection point he meets up with the doctors daughter instead of the nurse who was being blackmailed. He falls for her and is torn between protecting her when the mob comes after her and his loyalty to the gang.