So what if there's not much of a plot? It's a pleasure to spend nearly two hours in the company of these three cutely unsophisticated teenagers. Adolescent best mates Lucas and Nacho meet a girl, the equally hormonal Andrea, and bumble their way through various social situations together: an awkward afternoon in Andrea's bedroom, an illicit house party where none of the guests show up, and a gig at which the boys' band is performing. Occasional sun-bleached montages give us extra insight into the kids' individual worries, and the film sees them dealing with body issues, experimenting with drugs, and sharing sexual experiences. In the background are their parents, always getting in the way with their tedious demands for help…