Gossip Girl: Acapulco (2013)

Sofía López-Haro returns unexpectedly to Acapulco after leaving mysteriously the year before. Her best friend, Bárbara Fuenmayor, angry that she has always been forced to live in Sofía's shadow, is not happy with her return, especially after discovering that before leaving Acapulco, Sofía had slept with her boyfriend, Nico.