Juan Marcos is an introverted teenager who is constantly abused by three girls in school. The reason behind this abuse is unknown and only his closest friends know about it. Juan keeps everything secret because back at home is parents are going through a divorce.
In exchange for not being attacked by a group of students in her new school, María has a few challenges where she is forced to kiss, on different days, with each of the 6 members of a group. Although Maria has always had a good relationship with her parents, her father’s new alcoholism problem and her mother’s lack of time have led her to keep secret what the members of this group are making her go through.
Petra, a 60 year old grandmother, is facing a great challenge, make her rebel granddaughter, Vicky, learn the meaning of respect. Vicky’s conduct at school is just as unrespectful; she’s even more offensive and mocking towards her classmates. To correct Vicky’s conduct, Petra makes an ingenious plan to teach Vicky a lesson on humility.
Merrary is the new girl at school. For her strange way of looking and walking, there’re rumors that she’s crazy and evil. Illia and Alice, two school bullies, mess with her physically and psychologically. Subject to such humiliation, Joe, a paralytic boy who takes classes with Merrary, is the only one to come to her defense.
Three classmates with special powers, Nora, Ester and Carmen, form a secret society dedicated to doing good at school. Their goal: denounce all abuse and illegal acts at school. Along their school’s director (Edna Lisboa), they will defeat the reign of terror of Gilbert, alias “El Macho” and his girlfriend Afrodita, alias “La Potra”, who have a gang in the school that sells drugs.