Nina is a woman who has been married for 10 years. She lives in Valparaíso, between the hills and the ocean. With the years, the relationship with Lorenzo, her husband, has cooled off. The marriage is submerged in the routine of those who believe that although there is love, there is no more opportunity. However, the letters of a man in love break the relationship’s apparent tranquillity, making Nina dream with the possibility of a new love. They are letters of deep poetry that make her dream and seduce her. Very intrigued, Nina phantasies about the identity of her lover, who is closer than she thinks.