El Internado Laguna Negra was a Spanish television drama-thriller focusing on the students of a fictional boarding school in a forest, where teenagers are sent by their parents to study. The boarding … Carlota García, Natalia Millán, Marta Torné, Martiño Rivas, Yon González, Elena Furiase, Raúl Fernández de Pablo Added on Amazon Prime 2023-11-02.