Batman must battle former district attorney Harvey Dent, who is now Two-Face and Edward Nygma, The Riddler with help from an amorous psychologist and a young circus acrobat who becomes his sidekick, Robin.
A young girl is relegated to servitude at a boarding school when her father goes missing and is presumed dead.
When he discovers his adopted son is a genius, a New York sportswriter seeks out the boy's birth mother: a ditzy porn star and prostitute.