Personal dramas, an impeccable school uniform and a serial killer in Las Encinas. An unknown person, whose face is hidden under a balaclava and dressed in a school uniform, sows panic among the students. But life goes on, no matter what. Gorki began a difficult relationship with a new student at the school, Andrea, the ideal daughter of a left-wing politician in every sense. Melena dropped out of school and helps her mother in a coffee shop, because at any cost she wants to preserve the emotional connections that have arisen between them. Janine is obsessed with the idea of solving the mysterious deaths of her friends. Paula faces with the world of adults, having decided to quit school and start working. The life of high school students is still filled with novels, quarrels, fears and doubts, only now they grow above themselves and face the blows of an unknown serial killer.