The Great Mouse Detective is a 1986 animated mystery film that follows the adventures of Basil of Baker Street, a brilliant mouse detective, and his trusted sidekick Dr. David Q. Dawson. The story takes place in a world where mice and other rodents are the dominant species, living alongside humans. When Professor Ratigan, a diabolical rat scientist, kidnaps renowned toy maker and inventor, J.S. Hudson, Basil and Dawson spring into action to rescue him. However, their investigation is soon complicated by the presence of a counterfeit coin, a fake version of the Golden Acorn award, and the sinister plans of Professor Ratigan. As Basil and Dawson delve deeper into the mystery, they encounter a cast of colorful characters, including Mrs. Hudson's niece, Olivia, who becomes entangled in their case. The detective duo must use their exceptional skills of observation, deduction, and disguise to unravel the tangled threads of the plot and rescue J.S. Hudson from Ratigan's clutches. Throughout the film, Basil's cleverness and Dawson's resourcefulness are put to the test as they navigate a series of perilous obstacles, including treacherous traps, clever disguises, and a thrilling chase through the streets of London. With its witty dialogue, charming characters, and clever plot twists, The Great Mouse Detective is a delightful and entertaining film that will keep you guessing until the very end.