Ayer te quise, mañana no sé

Since the moment they met at age 5, Rosie and Alex have been best friends, facing the highs and lows of growing up side by side. A fleeting shared moment, one missed opportunity, and the decisions that follow send their lives in completely different directions. As each navigates the complexities of life, love, and everything in between, they always find their way back to each other - but is it just friendship, or something more?

When best friends and total opposites Debbie and Peter swap homes for a week, they get a peek into each other's lives that could open the door to love.

A ticking-time-bomb insomniac and a slippery soap salesman channel primal male aggression into a shocking new form of therapy. Their concept catches on, with underground "fight clubs" forming in every town, until an eccentric gets in the way and ignites an out-of-control spiral toward oblivion.

Resolving to achieve professional success without compromising her ethics, Lucy embarks on a ruthless game of one-upmanship against cold and efficient nemesis Joshua, a rivalry that is complicated by her growing attraction to him.

When talented young writer Elizabeth Wurtzel earns a scholarship to Harvard, she sees it as her chance to escape the pressures of her working-class background and concentrate on her true talent. But what starts out so promising leads to self-destructive behavior and paralyzing depression that reflects an entire generation's struggle to navigate the effects of divorce, drugs, sex, and high expectations.

After he and his first wife separate, journalist David Sheff struggles to help their teenage son, who goes from experimenting with drugs to becoming devastatingly addicted to methamphetamine.

17-year-old Aza Holmes tries be a good daughter, a good friend, and a good student, all while navigating an endless barrage of invasive, obsessive thoughts that she cannot control. When she reconnects with Davis, her childhood crush, Aza is confronted with fundamental questions about her potential for love, happiness, friendship, and hope.

A pregnant New York social worker begins to develop romantic feelings for her gay best friend, and decides she'd rather raise her child with him, much to the dismay of her overbearing boyfriend.

In the wake of their friends' marriages and eventual offspring, longtime pals Julie and Jason decide to have a child together without becoming a couple. By becoming "time-share" parents, they reason, they can experience the joys of parenthood without significantly curbing their personal freedom. However, when Julie and Jason both become involved with others, they discover that they secretly harbor romantic feelings for each other.

A young man meets and instantly falls in love with an engaged woman.

Marina is a woman in her thirties who works organizing weddings. Not because she is an inveterate romantic just because, as she says, "when people are in love, they don't care about money". Unlike her customers, she enjoys a life without ties or commitments, until the moment when she falls in love with Carlos. The problem is not only he is about to get married, but also his fiancee is Marina's childhood friend and they have hired her as their Wedding Planner.

Zach Riley is a psychiatrist, who leaves a job at a prestigious university, to take up a job at the privately run mental institution, Millwood. What he doesn't reveal at the time of his appointment is that this was the very place where his novelist father, T.L. Pierson, spent many years of his life.