The series tells the story of a group of adults who are repeating high school at a night school; The characters have different reasons why they left education in their adolescence.

Marcela Carvajalas Esther Chevallier Brandt
Jorge Enrique Abelloas Mario Quiñones Purcell
Consuelo Luzardo
Carolina Acevedoas Amelia Ruiz Meluna
Yuri Vargasas Ingrid Acevedo
Jimmy Vásquez
Luis Mesaas Octavio Salgar
Carlos-Manuel Vesgaas José Hernando Osorio
Jimena Durán Hasbúnas Muriel Cáceres