The book is a reflective and poignant exploration of the author's relationship with his mother, set against the backdrop of their walks through the streets of Barcelona. Through these shared journeys, the narrative delves into themes of memory, identity, and the passage of time, capturing the essence of familial bonds and the changing urban landscape. The author intertwines personal anecdotes with cultural and historical observations, offering a rich tapestry of insights into both his personal life and the broader societal context.