For six months, a strangler has terrorized the city. Calling himself The Judge, he's a self-appointed destroyer of 'evil' who only strikes on rainy nights. Police Lieut. Harry Grant is obsessed with catching him but has failed so far, despite varied clues. And now Harry is further hampered by attractive tabloid reporter Ann Gorman dogging his footsteps. Compactly crafted film with some effective thrills.