Nelson, a teenager who drops out of school to smuggle cell phones across the border between Argentina and Brazil, is arrested by the police and forced to work as an informant. As part of his mission, he moves to a neighboring city, enrolls in a new school, and becomes close to the daughters of Jara, an alleged drug kingpin. During the operation, he must deal with a troubled police officer and learn to navigate a world full of lies, love, and betrayal.