Gastón punishes the students. Roberta devises a long con to get revenge on Diego. Valeria throws a fit when she learns that Mía will get her party; Franco admonishes her. Mía promises Gastón she'll stay away from Miguel. Franco begs Miguel for help with protecting Mía. Lupita tells Galia who stole the tests. Gandia withdraws his helping hand to Tomás. Gastón begins an investigation into Miguel. Pilar attacks Lupita.