Batman and his partner, Robin, encounter a new foe, Mr. Freeze, who has left a string of diamond robberies in his wake. During a confrontation in the natural history museum, Freeze steals a bigger diamond and flees, freezing Robin and leaving Batman unable to pursue him. Later, Batman and Robin learn that Freeze was originally Dr. Victor Fries, a scientist working to develop a cure for MacGregor's Syndrome, hoping to heal his terminally ill wife. After a lab accident, Fries was rendered unable to live at average temperatures and forced to wear a cryogenic suit powered by diamonds for survival
