Commissioner James Gordon, Chief Miles O'Hara and the Dynamic Duo suspect that Selina Kyle, the Catwoman has returned to open a school for cat burglars.
Batman and Robin ask gossip columnist Jack O'Shea to pen a fake story about a rare canary at the Natural History Museum in order to snare her.
Consequently, Batman and Robin are ambushed at their Museum stakeout by the henchmen, paralyzed by Catwoman's tranquilizer darts and thrown out the window.
Hoping to lower the floor's temperature, the Caped Crusader bursts an overhead water pipe, only to unwittingly release "Catatonic", a gas which renders him and Robin unconscious.
They recover outside, strapped to aluminum grills, their bodies greased with margarine and two giant magnifying glasses poised directly over them, with the intent of roasting them alive in the midday sun...