A man receives a mysterious e-mail appearing to be from his wife, who was murdered years earlier. As he frantically tries to find out whether she's alive, he finds himself being implicated in her death.
This examination of a famous scandal from the 1970s explores the relationship between Barbara Baekeland and her only son, Antony. Barbara, a lonely social climber unhappily married to the wealthy but remote plastics heir Brooks Baekeland, dotes on Antony, who is homosexual. As Barbara tries to "cure" Antony of his sexuality - sometimes by seducing him herself - the groundwork is laid for a murderous tragedy.
The movie is set around a small group of characters experiencing relationships which build and crumble before the viewers eyes. The title of the film refers to the belief, expressed by several of characters, that the goldfish retains a memory of something for only three seconds. Tom, one of the principal characters in the film, draws comparisons between this and the human tendency to jump from one relationship to the next, "forgetting" the pain that any previous one might have caused. The film shows complexities involved in straight, gay, lesbian, and bisexual relationships.
14-year-old Joe is the only child of Jeanette and Jerry — a housewife and a golf pro — in a small town in 1960s Montana. Nearby, an uncontrolled forest fire rages close to the Canadian border, and when Jerry loses his job (and his sense of purpose) he decides to join the cause of fighting the fire, leaving his wife and son to fend for themselves.
Matt, a young glaciologist, soars across the vast, silent, icebound immensities of the South Pole as he recalls his love affair with Lisa. They meet at a mobbed rock concert in a vast music hall - London's Brixton Academy. They are in bed at night's end. Together, over a period of several months, they pursue a mutual sexual passion whose inevitable stages unfold in counterpoint to nine live-concert songs.
Joel Barish, heartbroken that his girlfriend underwent a procedure to erase him from her memory, decides to do the same. However, as he watches his memories of her fade away, he realises that he still loves her, and may be too late to correct his mistake.
Polish immigrant Karol Karol finds himself out of a marriage, a job and a country when his French wife, Dominique, divorces him after six months due to his impotence. Forced to leave France after losing the business they jointly owned, Karol enlists fellow Polish expatriate Mikołaj to smuggle him back to their homeland.
Part-time model Valentine unexpectedly befriends a retired judge after she runs over his dog. At first, the grumpy man shows no concern about the dog, and Valentine decides to keep it. But the two form a bond when she returns to his house and catches him listening to his neighbors’ phone calls.
Chris, a former tennis player, looks for work as an instructor. He meets Tom Hewett, a wealthy young man whose sister Chloe falls in love with Chris. But Chris has his eye on Tom's fiancee Nola.
A circus' beautiful trapeze artist agrees to marry the leader of side-show performers, but his deformed friends discover she is only marrying him for his inheritance.