With their respective girlfriends away in Europe, Julio and Tenoch are looking forward to a summer full of cheap meaningless sex. During a wedding, they meet Luisa — the 28-year-old wife of Tenoch's cousin — and try to convince her to go on a road trip to a beach paradise on the Oaxacan coast. To their surprise, Luisa — who is looking to escape her troubled life for a spell — agrees to go along. Two days into the trip, tension starts to build between the two friends. Luisa has had sex with each, and now both lads are quietly vying for her affection. Soon simmering jealousies boil over into savage arguments, threatening to completely destroy their friendship. Once they reach their destination, the three have one final round of sexual exploration, which changes everyone's lives.....