A Door into Ocean

Thousands of years in the future in a distant part of the galaxy, lies the planet Shora, entirely covered by a world-spanning ocean. The huge and complex ecosystem of Shora is inhabited by the Sharers, an all female race who reproduce by parthenogensis, without males. The Sharers are immensely sophisticated in the life sciences, but have eschewed all unnatural technology. Over millennia of isolation, they have developed a complex philosophical and ethical system, idealistic, communal, and pacifist... So begins a war, protracted and graphic, in which one side cannot fight because the concept is inconceivable in their philosophy...