During a couple of days, different extreme situations lead the characters to discover that human relationships is what keep us on foot when we are about to fall: the love of a father towards his son choices, the unconditional love of a friend, the homefeeling of a neighbour who's almost part of the family. On the edge explores those extreme experiences that confront us with our prejudgments, exposing them and giving them a new meaning.

Fabian puts together shows at a party room, one of them is a Serrat tribute act. Fabian is frustrated because the belly dancer is the clients’ number one choice. This time, he’ll do whatever it takes to be picked out, even if he has to play dirty against his colleague and test his moral limits.

Leandro and Silvina, a young and successful middle-class couple, are experiencing the happiest time of their lives. But the sudden appearance of Leandro's daughter from another relationship, destabilizes the couple revealing hitherto unknown differences.

While her filmmaker husband works in Chile, harried young mother Liz struggles to take care of her infant son. Feeling out of place amongst the tight-knit group of other parents at the park, doubted by her husband, and judged by her newly hired nanny, Liz is drawn to factory worker Rosa, a plain-talking single mother she meets at the swings one day. Despite Liz’s liberation upon finding a bold new confidante, the friends’ increasingly apparent class differences, along with swirling rumors about Rosa’s motives and muddy family situation, feed Liz’s suspicions that her new pal might be a sinister influence on her already fragile life.

When his long-lost brother resurfaces, Jacobo, desperate to prove his life has added up to something, looks to scrounge up a wife. He turns to Marta, an employee at his sock factory, with whom he has a prickly relationship.

Through five stories, the movie addresses sex and love: Paco and Ana are a marriage looking for reactivate the passion of their sexual relations, long time unsatisfied; Jose Luis tries to recover the affections of his wife Paloma, sit down on a wheelchair after an accident which has limited her mobility; Mª Candelaria and Antonio are a marriage trying by all way to be parents, but she has the trouble that no get an orgasm when make love with him; Álex try to satisfy Natalia's fantasies, while she starts to doubt if he finally will ask her in marriage; and finally, Sandra is a single woman in a permanent searching for a man to fall in love. All them love, fear, live and explore their diverse sexual paraphilias and the different sides of sexuality, trying to find the road to happiness.

A team of advisers is brought in to manufacture the image of Marchand, producing social media profiles, commercials and a new public persona. Conflict arises when it is revealed that not everyone is who they present themselves to be. At his country estate, a rich businessman who wants to be president is groomed by a campaign team to create an image palatable to middle-class voters.

Victor, who lives abroad, must travel to his country of origin sent by the company where he works and will have only one day to visit his family who will do the impossible to honor him in that short stay. At that time, dramatic turns and touches of humor will occur to deep solemnities, within the traditional and beloved domestic bosom.

Víctor Tellez is an intellectual, world-weary film critic who prefers to think in French and eschew the clichés of romantic movies...until he finds himself living a sappy, feel-good love story of his own.

Sometimes the links can be built from the passions. Sometimes those links can become passions. For Hugo, a solitary taxi driver from Buenos Aires, the total, absolute and exclusive passion is San Lorenzo, which is not only an active part of his past, but a healthy obsession that bathes that gives color to his life. Until a single mother and her son cross their path. Now there will be someone to share the passion with. Maybe something more.