Killian is a young man who has never left the remote mountains of Huesca (Spain) which saw him grow up. In 1953, he travels back to the exotic Equatorial African island of Fernando Poo, in Spanish Guinee, where he was born, to work in a cacao plantation alongside his father and his brother. During 20 years in this island, until the troubled days of independence, he will undertake a journey towards maturity and knowledge, but will also have to deal with pain and loss. After the death of her Father, a young Spanish woman discovers a partial letter that leaves her with many unanswered questions. As she searches for the answers, she embarks on a journey that takes her back to the African Island in Spanish Guinee, Fernando Poo. There, she unfolds the secrets of her family.