Set in post-World War II Mexico City, the story follows Carlos, a young boy who navigates the complexities of adolescence amidst rapid social and political change. As he grapples with his feelings for Mariana, the mother of his friend, Carlos's innocent infatuation highlights the cultural tensions and moral dilemmas of the era. Through his eyes, the narrative explores themes of love, memory, and the inevitable loss of innocence, painting a vivid picture of a society in transition.