Rambling man Emmett (Scott Glenn) assembles a group of misfit cowboys (Kevin Costner), (Kevin Kline, Danny Glover). After helping a group of settlers track down a pack of thieves, Emmett and his men descend on the troubled town of Silverado to seek their fortunes. Soon after arriving, they discover that the town has fallen into the grasp of greedy rancher Ethan McKendrick (Ray Baker) and corrupt Sheriff Cobb (Brian Dennehy) with whom many of Emmett’s men have unfinished business.
Upon breaking out of a dungeon, youthful thief Phillipe Gaston (Matthew Broderick) befriends Capt. Navarre (Rutger Hauer), a man with a strange secret. Navarre and his lover Lady Isabeau d’Anjou (Michelle Pfeiffer) were cursed by the wicked Bishop of Aquila (John Wood), who desires Lady Isabeau for himself. His dark magic prevents the pair from ever being in each other’s presence except at twilight, so they enlist Gaston in a dangerous plot to overthrow the Bishop and break his evil enchantment.
Gib (John Cusack), a college freshman, keeps striking out with women. When he learns that a beautiful Californian (Nicollette Sheridan) wants to have a tryst with him, he decides to carpool all the way to the West Coast to meet her. Unfortunately, one of the other passengers on the trip is Alison (Daphne Zuniga), an attractive but domineering girl who has rejected Gib once before. The journey is a nightmare until a funny thing happens – Gib and Alison start to fall in love.
After losing his position as a minor-league pitcher, Montgomery Brewster (Richard Pryor) learns his great-uncle has left him $300 million. To inherit it, Brewster must spend $30 million in 30 days under a complicated set of rules that forbid him from donating too much to charity or retaining any new assets when the period is up. Unable to share details about the will’s odd conditions with anyone, Brewster sets out to spend his money under the stern eye of paralegal Angela Drake (Lonette McKee).
Michael (John Stockwell) and his girlfriend Ellie (Danielle von Zerneck) break into a military junkyard to find a science project for Michael’s class. They instead discover a strange glowing orb that absorbs electricity. When the orb begins to blend past, present, and future, it’s up to Michael and Ellie to stop the orb and save mankind.
High school wrestler Louden Swain (Matthew Modine) feels he must do something significant in his life shortly after turning 18. Despite vehement advice against it from his father (Ronny Cox) and coach (Charles Hallahan), Swain decides to try to lose over 20 pounds in a very short time in an attempt to take on the defending state champion of a lower weight class. Meanwhile, he falls for the edgy, older Carla (Linda Fiorentino), who provides further distraction for the young wrestler.
Based on the popular board game, this comedy begins at a dinner party hosted by Mr. Boddy (Lee Ving), where he admits to blackmailing his visitors. These guests, who have been given aliases, are Mrs. Peacock (Eileen Brennan), Miss Scarlet (Lesley Ann Warren), Mr. Green (Michael McKean), professor Plum (Christopher Lloyd), Mrs. White (Madeline Kahn) and Col. Mustard (Martin Mull). When Boddy turns up murdered, all are suspects, and together they try to figure out who is the killer.
Looking for a way out of their mundane government jobs, Austin Millbarge (Dan Aykroyd) and Emmett Fitz-Hume (Chevy Chase) take the entrance exam for a CIA espionage program. Immediately chosen to take part in a top-secret mission in the Middle East by the officious Gen. Sline (Steve Forrest), the new recruits are set upon by Soviet forces in Afghanistan. Soon it becomes clear that the hapless pair are being used as decoys to expose the Russians for a Cold War nuclear showdown.