Twenty years ago, old Mrs. Barlow was killed in her home at 12, Pimlico Square for her priceless rubies. The murderer searched the whole house without finding them, then disappeared. The house has been empty since then, but now Paul and Bella Mallen move into the apartment. Bella Mallen suffers from forgetfulness and nervousness - at least that is what her husband tells her. An elderly horse wrangler, B.G. Rough worked as a policeman twenty years ago and still remembers the unsolved case. He notices that Mr. Mallen looks just like Louis Barre, Mrs. Barlow's nephew. And why does Mr. Mallen so mysteriously leave every night just to go into the apartment next door, nr. 14?
配角们也毫不逊色，各有鲜明性格与独特背景故事，虽戏份有限，却凭寥寥数笔勾勒出鲜活形象，为影片添色不少。
剧情节奏把控堪称精妙，紧张刺激与温情舒缓交替出现，就像乐章里的激昂与悠扬，巧妙调节观影情绪，全程无冷场。
影片特效场面恢宏震撼，逼真画质与绚烂光影完美融合，打造出奇幻瑰丽异世界，每一帧都似视觉盛宴，燃爆眼球。
从专业的角度来看，《煤气灯下》在剧情架构和人物塑造上有一定的可取之处。
特效场面虽然不算惊艳，但也达到了及格线以上的水平。