After losing their spouses in a plane crash, an internal affairs cop and a congresswoman find each other's keys in each other's loved ones' possessions and discover that the two were having an affair.
Homicide detective John Hobbes witnesses the execution of serial killer Edgar Reese. Soon after the execution the killings start again, and they are very similar to Reese's style.
Jonathan Switcher, an unemployed artist, finds a job as an assistant window dresser for a department store. When Jonathan happens upon a beautiful mannequin he previously designed, she springs to life and introduces herself as Emmy, an Egyptian under an ancient spell. Despite interference from the store's devious manager, Jonathan and his mannequin fall in love while creating eye-catching window displays to keep the struggling store in business.
While recording sound effects for a slasher flick, Jack Terry stumbles upon a real-life horror: a car careening off a bridge and into a river. Jack jumps into the water and fishes out Sally from the car, but the other passenger is already dead — a governor intending to run for president. As Jack does some investigating of his tapes, and starts a perilous romance with Sally, he enters a tangled web of conspiracy that might leave him dead.