The protagonist of Boulder gana her life as a cook on an old merchant ship. It is the perfect situation: solitude, a cabin, the ocean, some port in which to meet women and hours to face the void, to feel the strength of provisionality. Until one day one of them manages to get her to leave the sea, agree to live within four walls and get involved in assisted pregnancy and the education of a child. What has motherhood done to the woman she once met in a bar in Patagonia?