On a nocturnal boat trip by the company Marex, the lawyer Jens Adam is spectacularly shot. His body disappears into the sea. Marex is a world leader in the mining of raw materials in the deep sea, specializing in rare earths. By mining these metals, which are found in every mobile phone, Marex wants to land a business worth millions. Does Adam's death have anything to do with the killing of an environmentalist who was protesting the destruction of the ocean floor? Jens Adam's wife Marte could also have killed her husband out of jealousy, because he had several affairs.