When bachelor Walter Davis (Bruce Willis) is set up with his sister-in-law's pretty cousin, Nadia Gates (Kim Basinger), a seemingly average blind date turns into a chaotic night on the town. Walter's brother, Ted (Phil Hartman), tells him not to let Nadia drink alcohol, but he dismisses the warning, and her behavior gets increasingly wild. Walter and Nadia's numerous incidents are made even worse as her former lover David (John Larroquette) relentlessly follows them around town.
When New York psychiatrist Bill Capa visits Los Angeles to take over his murdered colleague's therapy group, he finds himself embroiled in the thick of a mystery when he bumps into Rose and begins a torrid affair.
When timid bank clerk Stanley Ipkiss discovers a magical mask containing the spirit of the Norse god Loki, his entire life changes. While wearing the mask, Ipkiss becomes a supernatural playboy exuding charm and confidence which allows him to catch the eye of local nightclub singer Tina Carlyle. Unfortunately, under the mask's influence, Ipkiss also robs a bank, which angers junior crime lord Dorian Tyrell, whose goons get blamed for the heist.
Mark wants to lose his virginity, but his girlfriend wants to wait. Unfortunately for both of them, a 400-year-old vampire Countess needs to turn a virgin into a vampire before Halloween in order to preserve her own youthful appearance, and when she finds Mark, she turns his life upside-down.
CW Briggs is a veteran insurance investigator, with many successes. Betty Ann Fitzgerald is a new employee in the company he works for, with the task of reorganizing the office. They don't like each other - or at least that's what they think. During a night out with the rest of the office employees, they go to watch Voltan, a magician who secretly hypnotizes both of them.
In the rail yards of Queens, contractors repair and rebuild the city's subway cars. These contracts are lucrative, so graft and corruption are rife. When Leo Handler gets out of prison, he finds his aunt married to Frank Olchin, one of the big contractors; he's battling with a minority-owned firm for contracts.