A researcher at Chicago’s Natural History Museum returns from South America with some crates containing his findings. When the crates arrive at the museum without the owner there appears to be very little inside. However, police discover gruesome murders on the cargo ship that brought the crates to the US and then another murder in the museum itself.

Angelo “Snaps” Provolone made his dying father a promise on his deathbed: he would leave the world of crime and become an honest businessman. Despite having no experience in making money in a legal fashion, Snaps sets about to keep his promise.

When Santa Claus decides to retire and pass on his magic bag of Christmas surprises to a new Saint Nick, he enlists the aid of a hilarious assortment of characters. A perky teen runaway and hapless taxi driver Ernest P. Worrell must convince a skeptical kiddie-show host to take over the post of Father Christmas.

Jay Austin is now a civilian police detective. Colonel Caldwell was his commanding officer years before when he left the military police over a disagreement over the handling of a drunk driver. Now a series of murders that cross jurisdictions force them to work together again. That Austin is now dating Caldwell’s daughter is not helping the relationship at all.

Remy McSwain is a New Orleans police lieutenant who investigates the murder of a local mobster. His investigation leads him to suspect that fellow members of the police force may be involved.

The Freeling family move in with Diane’s mother in an effort to escape the trauma and aftermath of Carol Anne’s abduction by the Beast. But the Beast is not to be put off so easily and appears in a ghostly apparition as the Reverend Kane, a religeous zealot responsible for the deaths of his many followers. His goal is simple – he wants the angelic Carol Anne.

Two street-wise Chicago cops have to shake off some rust after returning from a Key West vacation to pursue a drug dealer that nearly killed them in the past.

Steven Keats plays a Russian emigre who prides himself on the way he’s molded himself into a real Yankee in the USA, though the world he lives in, New York’s Lower East Side in the late 19th century, is almost exclusively populated by other Jewish immigrants. When his wife (Carol Kane) finally arrives in the New World, however, she has a lot of assimilating to do. This causes the tension which drives the movie along, though it maintains a fairly light atmosphere most of the time.