"Big Tim" Halloran retires as Police Chief, and hopes his son, Tim, will join the police force. But the son opts for racketeering and, running a garage for Velvikak Taxicabs. He uses his father's police entrée for knowledge of squad car activity, leads a gang on bold holdup jobs in the heart of the city. Tim's boyhood friend, Allen Coltrin, works in the police lab. My... Read... imdb.com