In his basement in San Francisco, boy-genius Quinn Mallory unlocks the doorway to an infinite number of Earths. During a test run, Quinn invites co-worker Wade Welles and his teacher Professor Maximillian Arturo to see his new invention. But an increase in power and an early departure leave all three, plus a washed-up soul singer named Rembrandt "Crying Man" Brown, lost in a parallel world. Now they must "slide" from world to world, not only adapting to their changing surroundings, but also trying to get back to their world. Will they ever make it home?

At night, baby-face Laura dresses up as a vamp and lets random guys at bars pick her up, just to drug and rob them later. But then someone starts stalking her, and a person close to her is killed.

A group of guys and a group of lovely gals are out looking for a night of fun and adventure and both groups somehow end up in a seedy nightclub where a hypnotist directs a series of on stage audience participation... and turns this night into an evening they will never forget!

During the Korean War, the lieutenant in charge of a Marine rifle platoon is killed in battle. Before he dies, he places the platoon's sergeant, who's black, in charge. The sergeant figures on having trouble with two men in his platoon: a private who has much more combat experience than he does, and a racist Southerner who doesn't like blacks in the first place and has no intention of taking orders from one.