In the heart of Guatemala, a brother and sister, alone in their shared apartment, find themselves in a compromising position when their parents are out. An innocent call to each other turns heated as they whisper their deepest desires, the distance between them evaporating with each suggestive word. He strokes his growing erection, imagining her full lips, while she bites her lip, picturing him naked. Their moans echo through the phone line, their bodies tensing as they edge closer to release.