David Locke (Jack Nicholson) is a world-weary American journalist who has been sent to cover a conflict in northern Africa, but he makes little progress with the story. When he discovers the body of a stranger who looks similar to him, Locke assumes the dead man's identity. However, he soon finds out that the man was an arms dealer, leading Locke into dangerous situations. Aided by a beautiful woman (Maria Schneider), Locke attempts to avoid both the police and criminals out to get him.
Based on the actual case files for one of the most intriguing unsolved crimes in America, "Zodiac" tells the story of a serial killer that terrified the San Francisco Bay Area, taunting police with his ciphers and letters.
Irresponsible party girl Maggie (Cameron Diaz) is kicked out of her father's (Ken Howard) and stepmother's (Candice Azzara) home, where she lives for free, and is taken in by her hard-working sister, Philadelphia lawyer Rose (Toni Collette).
During World War I, a German U-boat sinks a British ship and takes the survivors on board. After it takes a wrong turn, the submarine takes them to the unknown land of Caprona, where they find dinosaurs and neanderthals.
100 miles north, a bit east and up, is Flåklypa... home of bicycle repairman Reodor Felgen and his two assistants - Solan Gundersen, morning bird and natural born optimist, and Ludvig who is a true pessimist.