Search for the Philosopher’s Stone (alchemy). Martin (a boy from the 1950s) appears, linked to the school’s origin.
Marcos, along with a group of rebellious classmates including Ivan, Carolina, Victoria, Roque, and later Julia, starts investigating the disappearance of a former teacher. This quest leads them to discover a dark history of missing orphans from the building's past life as the San Antonio Orphanage. The Nazi Connection and Proyecto Géminis el internado laguna negra serie completa