The book "Under the Red Coat" by the author Stanley John Weyman is a fascinating historical novel, the action of which unfolds in the 16th century in France during the religious wars between Catholics and Huguenots. The main character, the Duc de Louvignac, is a young, ambitious and resourceful French spy. He must complete a secret mission that can save him from the guillotine and secure him fame and military deeds. But on the way to accomplishing the mission, he meets a desperate love that calls into question all his beliefs and plans. Can the Duc de Louvignac preserve his reputation and his life, and maintain unwavering loyalty to his ideals in this exciting and mysterious world of espionage and intrigue? "Under the Red Uniform" is an exciting adventure marked by a witty hero, plot interweaving and unexpected turns of events, which will fascinate any lover of historical literature and the adventure genre.