"A Torch Against the Night" is the second book in the An Ember in the Ashes series by Sabaa Tahir. The story continues to follow the journey of Laia, a young scholar, and Elias, a soldier, as they navigate a brutal world inspired by ancient Rome. They face numerous challenges, including oppressive regimes and personal sacrifices, while seeking freedom and justice. The novel explores themes of loyalty, love, and resilience. As Laia and Elias confront their pasts and fight against the Martial Empire, they encounter new allies and enemies, deepening their connection and determination to change their world for the better.