While the American Gershwitz Wanda (Jamie Lee Curtis) in London secretly photographs from the "Diamond House, preparing her accomplice and lover West Otto (Kevin Kline) mentally for the coup before he reads Nietzsche. The two meet in the apartment of their leader George Thomason (Tom Georgeson), where the animal friend Ken Pile (Michael Palin) just feeding the fish. Otto, Wanda as their "brother" presented, some remarks about stuttering Kens not resist. Together, they are making the jewel robbery plan. The prosecutor Archibald Leach (John Cleese) will while his family reported that he had just won the process, but it does not give his wife Wendy (Maria Aitken) and his spoiled daughter Portia (Cynthia Caylor) hearing.
When planning the robbery, George pointed out that the airports generally 72 hours after an act like this monitored. As long should you go with the fleeing abroad wait. Ken gets the job, fleeing vehicles to organize. Camouflaged as cleaning command provides access to the passage in the safe areas and leads the robbery precise. During the trip, however, they have to slow down because the surly old Eileen Mrs. Coady (Patricia Hayes), with her three small dogs crossing the road. She is the only witness, George and his cronies unmaskiert has seen.
On the other change to escape the vehicle, with the George diamonds in a safe hidden in the garage. When I think of the wealth of 20 million amused by Otto and Wanda on the naive trust of their British partners. So Otto anonymous calls the police to be on George - he is removed by the police. The laughter Otto and Wanda passes very quickly because they find the safe empty.
As they discover that they are not alone in the diamonds come visit George in prison. The advice is currently with his lawyer Archie Leach. Wanda feigns compassion for George to the betrayal. Ottos presence fits him not because he suspected him, to have betrayed him. After the visit to the prison, there is Wanda against Archie as law student. She asked him for an autograph and flatters him so much that he was totally in thought davonfährt, with the bag on the car roof. Ken George is the key for the diamonds, agreed to a hiding place and instructed him to keep an eye on Otto to have.
In Georges apartment Otto and Wanda are taking each other to go to bed, when Ken comes home. Wanda observed, as he keys in a small treasure chest in his aquarium fish Wanda hidden. He now expressed his doubts about the reliability of the two, which led to Otto him with a homophilen rapprochement attempt intimidates, while secretly Wanda is the key to it. Ken told her that George the otherwise hidden loot, without knowing where. Wanda brings to at least experience that the key to a locker.
In a police confrontation Mrs Coady identified the perpetrators: George was the man who tried to kill their dogs. Wanda, again dressed as a student, however, visited in Archie's office. He gives her reason to hope that George's opinion, under false suspicion stand. When he hears Wanda full name, he shocked to note that they Georges alibi. He therefore rejected for legal reasons, continue to talk with her - she is finally witness of the defense. Wanda says at this point that it was in fact come to having sex with Archie. On that evening, you will see dramatic change in how Otto and Wanda passionate love, while he was at home before bedtime to his socks smell and the foot nails cut.
The next day George pleaded not guilty in court. It succeeds him, Ken on the verge of negotiating an immigration card with a mandate to the earlier murder witness. Otto, the out. He bets that he can not succeed. Nevertheless, Ken begins with the investigation of Mrs. Coadys house. Wanda will be at the same time for the evening with Archie appointment. Since he refuses to deceiving a Heulkrampf. Hardly have his wife and daughter, the opera house in the direction of leaving, Wanda suddenly Archies in the living room. While they are kissing see it that also provides access Otto, and watching them. You have to hide, as Wendy and Portia because of a flat tire surprisingly come home. Archie dismays, when suddenly his wife in the living room on Wanda court sits. Full Ends perplexed is he, as Otto to recognize. He is a CIA front, all the houses after KGB-Spionen must explore without so at Wendy faith.
Unfortunately, Wanda, the unrecognized can escape their medallion with the lost keys. Portia finds it, and Wendy thinks it is a gift for them. Ken tries Meanwhile, Mrs Coady with a dog fight suicide, but Buttons, the dog until it before and escapes with one of Mrs Coadys doggie. With bad conscience Ken attended the funeral at the cemetery dogs.
While Wanda in Georges bathroom zurechtmacht, reads the invitation of Otto Archie to a secret rendezvous. In fact, the two will meet in the apartment of his friend next to the Thames. He will replace Wanda with a gift of the loss of medallions phrases, but they insist it back. It is a memento of their mother. He promises it, even after Wendy also with hands and feet has defended the Medallion against another gift individuals.
When Wanda and Archie in bed on Ottos amuse stupidity, he is suddenly beside her and Archie hangs from the window to him to be an apology necessary. Ken tries while a further attack on Mrs Coady. He wants it over, but caught only one of their dogs. Wanda is cool to Otto. They demanded that he apologize for Archie. When he arrives at his house, Archie is in disguise in the process of a burglary pretend to the dilemma with the medallion to solve. Otto turns it off. He realizes too late, whom he has since beaten unconscious. For all comes Wendy abundance at this moment home. Archie pretends to be the victim of a burglary, where he Medallion itself takes little that he has been unleashed. To the surprise of his wife he immediately width.
In the apartment of friend Wanda meet for Sex and Archie, where he presented her the medallion. While Wanda move to the gallery, Archie suddenly stands naked before returning family. He must learn that the apartment has been rented again, the one chosen to the previous owner of his present house. After this event Archie decides that he must end the affair. Back home, Otto waiting on him to sign him to apologize. Wendy gets from the window, as her husband confesses to an affair with another woman.
Meanwhile Ken succeeds, Mrs Coady suicide. He is a concrete block on the last dog to bolt, as the old lady dead collapses. George is looking forward to it. He agrees with Ken, that the jewels in a safe in Cathcart Towers Hotel on London's Heathrow Airport are kept, and instructed him to the flight tickets to Rio to buy. This knowledge is Ken undoing. In Georges apartment Otto proceeded to torture methods to him that secret Diouf. He puts his chips into the nose, eats a fish after another out of the aquarium and even threatening, Kens Wanda favorite fish to eat. At the end of the Cold Ken soften, but the key is no longer in the aquarium. Wanda admits it with you.
In court, the trial of George, headed by Judge Knott (Geoffrey Palmer), a surprising turn. Wanda charged him before the fact, the house with a shotgun left to cut. George turns and attacked them, so there will be an uproar in the courtroom. The turmoil seems finished, as Archie also present from his wife gets a slap in the face. She has learned of his affair and declared the marriage over. Archie hear from George, Ken that the whereabouts of the gems knows. So he thunders with Wanda to Georges apartment to the poorest of the shackles to liberate itself and the name of the hotel at the airport to call.
With Ken, he races to Heathrow, while Otto with Wanda already on the way there. All buy tickets to Rio, where Otto von Wanda downcast and in a locked closet. He can be exempt from Archie trick and forces it to the box in a tar barrel. Before he can kill him, Otto noted that he was stuck in liquid cement. Ken-on revenge for the fish-sinnend overtaken him with the steamroller. Afterwards he is happy that he no longer stutters. Archie is now Wanda to the plane to Rio. From the outside, the two observed Otto, but plunges the liftoff of the airfoil.
Archie and Wanda married in Rio, have 17 children and set up a leper colony (in the German version Forest Synchronous the rain forest again). Ken is an animator (synchronous version: Press Officer) in the London Seaworld. Otto moves to South Africa and is justice minister.