Dr. Françoise Gailland has a hectic schedule, which causes her to have little time to spend with her family, which consists of her husband Gérard, her pregnant teenager daughter Élisabeth, and her sullen son Julien. However, she does manage to find the time to spend with her lover, Daniel Letessier. While her life in such disarray, she learns that she has cancer. Françoise tries to put a brave face on it, and is determined to face the life-threatening disease with courage.

This French slapstick comedy stars the musician/comedian foursome Les Charlots, as valets to the Four Musketeers. One of the film's highlights is a mutual kicking session between Cardinal Richelieu, the King, and a monk. This comedy foursome was enormously popular in 1970s France, and they made a huge number of films during that period.

一个戴红色面具的贼,和他的助手一起想找到一笔在巴黎的圣殿骑士的财宝......
如果你习惯了弗朗叙在《没有面孔的眼睛》以及《犹德士》中呈现的风格，这部《红夜》也许会吓你一跳。前者是优雅的黑白影像，而《红夜》中则变成了70 年代俗丽夸张的色彩；前者执着于古典的叙事，结构简单故事线索单一，而后者却复杂混乱；前者拥有闭合而完满的结尾（《犹德士》的结局处甚至让魔术师和银行家的女儿在沙滩上幸福的散步，简直太过童话），后者却让邪恶之人得以逃遁，以开放的方式结束；最重要的是，弗朗叙在《红夜》中放弃了用超现实的方式来营造恐怖，取而代之以更现代性的手法，并且电影中的科幻味道更加浓厚，弗朗叙处理时手法也趋于写实。