Batman [Bruce Wayne]; Robin [Dick Grayson]; Commissioner James Gordon; Oscar the Weasel (villain, informer); Benny the Gimp (villain); Joe the Nutcracker (villain); Nick Petri (villain); The Slasher (villain, death)
Synopsis
The Batman tracks down the unusual safe that holds the loot taken years before by the Slasher's mob. With the Slasher supposedly dead, the villain has left behind a note leading the Caped Crusaders to that safe: a safe having 7 switches, only one of which opens the safe; the rest are connected to a bomb!