A lonely woman's prank phone call leads to an unexpected friendship with a grieving widow.

A young man receives an emergency phone call on his cell phone from an older woman. She claims to have been kidnapped – and the kidnappers have targeted her husband and child next.

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Jimmy Stevens, a senior VP at an international energy firm, blows the whistle on his company's deadly and corrupt practices in Latin America. Knowing he will be assassinated for his betrayal, he places an anonymous call securing the services of private detective Frank Turlotte to trail him from a distance.

A 911 dispatcher helps a lost and surprisingly upbeat woman in a compromising situation and connects with more than just the call.

Trapped in the swirling thoughts of a late night shift, a restaurant worker receives a cryptic phone call, guiding her to a refuge from the noise.

Sarah Taylor, a police psychologist, meets a mysterious and seductive young man, Tony Ramirez, and falls in love with him. As a cause of this relationship, she changes her personality when she begins to receive anonymous telephone calls.

Alexander Graham Bell falls in love with deaf girl Mabel Hubbard while teaching the deaf and trying to invent means for telegraphing the human voice. She urges him to put off thoughts of marriage until his experiments are complete. He invents the telephone, marries and becomes rich and famous, though his happiness is threatened when a rival company sets out to ruin him.

Two different but strangely complementary young women living together are pictured in a fragmented and non-linear narrative about incommunicability and alienation.

Alan is a Seattle college student volunteering at a crisis center. One night when at the clinic alone, a woman calls up the number and tells Alan that she needs to talk to someone. She informs Alan she took a load of pills, and he secretly tries to get help. During this time, he learns more about the woman, her family life, and why she wants to die. Can Alan get the cavalry to save her in time before it's too late?

Romanian-French gigolo Georges Iscovescu wishes to enter the USA. Stopped in Mexico by the quota system, he decides to marry an American, then desert her and join his old partner Anita, who's done likewise. But after sweeping teacher Emmy Brown off her feet, he finds her so sweet that love and jealousy endanger his plans.

Bruce is a telephone lineman who accidentally overhears a murder plot. When 911 informs him that there is nothing that they can do about it, he takes matters into his own hands, and gets entangled in a world of sex and mystery.