Single dad Richard meets Christine, a starving artist who moonlights as a cabbie. They awkwardly attempt to start a romance, but Richard’s divorce has left him emotionally damaged. Meanwhile, Richard’s sons—one a teenager, the other 6-years-old—take part in clumsy experiments with the opposite sex.

Justin Cobb, a teenager in suburban Oregon, copes with his thumb-sucking problem, romance, and his diagnosis with ADHD and subsequent experience using Ritalin.

The incredibly spoiled and overprivileged students of Camden College are a backdrop for an unusual love triangle between a drug dealer, a virgin and a bisexual classmate.

In Los Angeles, a colorful assortment of bohemians try to make sense of their intersecting lives. The moody Dark Smith, his bisexual girlfriend, her lesbian lover and their shy gay friend plan on attending the wildest party of the year. But they'll only make it if they can survive the drug trips, suicides, trysts, mutilations and alien...

Five years after their summer together in Barcelona, Xavier, William, Wendy, Martine and Isabelle reunite.