Celebrated by critics as the most promising work in Uruguayan fiction at the time, Mario Benedetti's first novel has never been out of print, being constantly reedited since it was first published. Using a love triangle formed by Miguel, Alicia and Lucas, the author presents an ironic and unpredictable vision of human solitude. Summarized through the last phrase in the novel "Which one of us can throw the first stone?," the open ending invites us to reflect on our human nature.