I—ACROSS THE THRESHOLD
II—THE CRIME
III—INTO THE UNDERWORLD
IV—ALIAS THE RAT
V—THE SECOND-HAND DEALER
VI—A MIDNIGHT VISITOR
VII—WHISPERING SHADOWS
VIII—A LEASH IS SLIPPED
IX—BEHIND THE DOOR
X—THE PIECES OF A PUZZLE
XI—THE BACK ROOM AT JERRY’S
XII—A CLUE
XIII—THE CIPHER MESSAGE
XIV—THE ROBBERY
XV—THE ALIBI
XVI—TWENTY-FOUR HOURS LATER
XVII—THE MAN WITH THE CRUTCH
XVIII—MIRRORED YEARS
XIX—A HOLE IN THE WALL
XX—THE CAT’S-PAW
XXI—WITHOUT MERCY
XXII—THE FIGHT
XXIII—THE RENDEZVOUS
XXIV—AGAINST TIME
XXV—THE OLD WAREHOUSE
XXVI—THE LAST PORTAL
DOORS OF THE NIGHT