Television journalist Quentin Springer has two obsessions: first, he wants to help his schizophrenic nephew by making video recordings of his life; and second, he dreams of carrying out a "perfect crime".
The monstrous Penguin, who dwells in the sewers beneath Gotham, joins up with corrupt mayoral candidate Max Shreck to topple the Batman once and for all.
Instead of flying to Florida with his folks, Kevin ends up alone in New York, where he gets a hotel room with his dad's credit card—despite problems from a clerk and meddling bellboy.
Catherine, a novelist with an insatiable sexual appetite, becomes a prime suspect when her boyfriend is brutally murdered -- a crime she had described in her latest story.
Madeline is married to Ernest, who was once her arch-rival Helen's fiancé. After recovering from a mental breakdown, Helen vows to kill Madeline and steal back Ernest.
Riggs and Murtaugh pursue a former officer who uses his knowledge of police procedure and policies to steal and sell confiscated guns and ammunition to local street gangs.