A businessman is shot in his office which is in a high rise building. They learn that the killer escaped by jumping from his building to another with a motorcycle. They learn that the man may have been embezzling from the business. They learn might be a member of a motorcycle gang who have been pulling robberies using their bikes. They learn the killer is a member of the gang and disappeared. They check him out and learn he has a connection to someone close to the man who was killed.