Production Companies

Morena Films, Movistar Plus+, TVE, Mare Nostrum Productions, Myriad Pictures, Telefónica Studios, 20th Century Fox, Fox International Productions Spain

Overview

"Some secrets are too powerful to hide."

The story of nine-year old Maria and her father Marcelino who, in 1879, found the first pre-historic cave paintings at the now world famous Altamira cave.