'That Man is killing mad,' he rattled on savagely. He's knifing right and left as though human life had no value and any poor beast who gets in his way had no right to exist. There's no place for him under the sun...' As the word goes round that Jack Havoc, jail-breaker and knife artist, is at large again, carving his way into more - or less - innocent lives, the hunt goes on. Together Albert Campion and Chief Inspector Luke draw a tight net round the man-eater loose in London's November smog.