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.。官子萱作为海洋生物研究学家,在一次对短头鲵研究的过程中,短头鲵发生变异并逃走。而在此之前,官子萱的父亲因为调研大鲵也消失了,官子萱为了找到这个变异大鲵找到父亲,决定启程深海,前往荒岛。。