Cuando toca la campana revolves around the adventures of the friends and enemies Barbi (Mariana Magaña), Miguel (Leonel Deluglio), Lucia (Nicole Luis), Ana (Diana Santos), Pablo (Jorge Blanco), Rodrigo (Julio Graham), DJ (Gerardo Velazquez), Naty (Stephie Camarena) and Paola (Dominici Eva), who study in the same school and try to enjoy recess, all trying to adapt themselves and their crazy adventures. Lucia waiting for the Miguel love and him waiting for her love, Barbi doing crazy things with DJ; Ana, always trying to get good grades and spending some time with Pablo, Rodrigo always fill them all with his bad luck, Natalia acting and having fun and Paola always singing.
