Sergio is a brooding, alienated man who works as a trash collector in Lisbon by day and roams the city streets by night seeking rough, anonymous sex with men. One night he meets a man who seems to be the embodiment of his tormented fantasies, and he becomes obsessed with the stranger until loneliness and unfulfilled desire propel him finally into a dark and dangerous animalistic state.

Given a pardon from jail, Roy Earle gets back into the swing of things as he robs a swanky resort.

Teenager Angus adopts a stray dog and names him Yellow. Several days later, while travelling along the coast of British Columbia with Angus's father, John, the boy and dog become stranded when turbulent waters capsize their boat. Angus's parents relentlessly badger rescue teams. Angus, schooled by his father in wilderness survival skills, and assisted by the intelligent Yellow Dog, tries to attract rescuers.

Professor Wilson discovers a lost Akita puppy on his way home. Despite objections from his wife, Hachi endears himself to the family and grows to be Parker's loyal companion. As their bond grows deeper, a beautiful relationship unfolds.

When elderly pensioner Umberto Domenico Ferrari returns to his boarding house from a protest calling for a hike in old-age pensions, his landlady demands her 15,000-lire rent by the end of the month or he and his small dog will be turned out onto the street. Unable to get the money in time, Umberto fakes illness to get sent to a hospital, giving his beloved dog to the landlady's pregnant and abandoned maid for temporary safekeeping.

37-year-old Italian-American widow Loretta Castorini believes she is unlucky in love, and so accepts a marriage proposal from her boyfriend Johnny, even though she doesn't love him. When she meets his estranged younger brother Ronny, an emotional and passionate man, she finds herself drawn to him. She tries to resist, but Ronny, who blames his brother for the loss of his hand, has no scruples about aggressively pursuing her while Johnny is out of the country. As Loretta falls for Ronny, she learns that she's not the only one in her family with a secret romance.

When architect Alex Wyler moves into an unusual glass house on stilts over a lake, he discovers a note from the previous tenant in the mailbox--but no one's lived in the house for years. He replies and soon discovers that he's corresponding with a doctor named Kate Forster. Their correspondence, only through the 'magical' mailbox, turns romantic and their paths cross in unexpected ways, but when they try to truly connect, danger looms. They must try to unravel the mystery behind their extraordinary romance before it's too late.

The story of Peter McGowan, a chain-smoking, impotent, insomniac playwright who lives in Los Angeles. Once very successful, he is now in the tenth year of a decade-long string of production failures. He finds himself bonding with a new neighbor's lonely young daughter who has mild cerebral palsy; and during one of his middle-of-the-night strolls, he encounters his oddball doppelgänger.

A stray dog, found in the alleys in New Delhi, is brought to Sweden.

New York City writer Iris finds her comfortable, solitary life thrown into disarray after her closest friend and mentor bequeaths her a Great Dane named Apollo. The huge dog immediately creates practical problems for Iris, from furniture destruction to eviction notices, as well as more existential ones. Yet as Iris finds herself unexpectedly bonding with Apollo, she begins to come to terms with her past, and her own creative inner life.

In this family tale based on a true story, a woman who suffered a violent pit bull attack comes to terms with the harrowing experience by adopting a puppy that was severely beaten, burned and left to die.

After a catastrophe destroys most of humanity, recluse Del lives in his small, empty town, content with the utopia he has methodically created for himself, until an interloper, young Grace, disrupts his solitude.