An old friend of Ryker's, once a good policeman and now a pathetic drunk, is framed for the murder of a gangster who has terrorized the neighborhood. To gain favor from his daughter and neighbors, he pleads guilty, but Lt. Ryker, with the help of the rookies, finds a better way to give the man back his dignity.

Two ex-convicts are loose in the city carrying contagious meningitis. After Willie is exposed to it when he gives the ex-convict mouth - to – mouth resuscitation, the other rookies are given the task of finding the men and stopping a possible epidemic.