George, a Glasgow bus driver, encounters Carla, a distressed Nicaraguan woman, after she boards his bus without a ticket. Intrigued by her plight, he helps her evade the authorities and befriends her. As they spend more time together, George learns about Carla's traumatic past during the Contra War in Nicaragua. Driven by compassion and a deepening connection, George decides to accompany her to Nicaragua to help confront the memories and people she had left behind.

Upon arriving in Nicaragua, George is introduced to a world far removed from his own—a country struggling with the aftereffects of war. Witnessing the harsh realities firsthand, George becomes increasingly involved in Carla's quest for closure and justice. Their journey takes them through dangerous landscapes and emotional confrontations, leading George to reexamine his own life and values amidst the country's ongoing turmoil.