We were restless things

When her friend Link Miller is found drowned in a forest far away from the nearest source of water, Noemi Amato is haunted by his death, because she knows he drowned in a lake only she can see. When her mother's boyfriend and his son Jonas move in, Noemi begins to trust him and eventually reveals what's happening to him and to Link's younger sister, Amberlyn. Together, they try to make sense of what appear to be text messages from Link, while they seek to understand who they are and their place in the world.