A routine patrol turns into a desperate battle for survival when the aging destroyer Błyskawica encounters a civilian shuttle fleeing the Caliphate. Bosman Król, the Błyskawica''''s Chief Engineer, faces a crisis that will test his skills and the loyalty of his crew. Maria Roszak, a young Ensign with a talent for engineering, becomes a key player as they confront a superior enemy force determined to capture the refugees. The Błyskawica''''s aging systems are pushed to their limits as Król and his crew struggle to protect the civilians while facing overwhelming odds. Maria''''s innovative solutions offer a chance of victory, but at what cost? Experience the thrilling action and desperate gambits of a starship pushed to the brink. Witness the courage and determination of a crew facing impossible choices in the face of tyranny. First Thunder is a prelude to The Lightning War series, introducing the characters and setting of a conflict that will challenge the Polonia Prime nation and redefine the role of Maria Roszak and her crew.