“Yessica” (Ximena Ayala) is friends at school with “Miriam” (Nancy Gutiérrez) even though the two are really chalk and cheese. The latter is a more restrained lass whilst her friend is more of a boisterous creature. That might be because she lives with her mum and her step-dad and his son “Jorge” (Luis Fernando Peña). Now he’s a total creep and mak…