In the charming mystery film "Nelly Knows Mysteries: All Manners of Murder," the sharp-witted Nelly finds herself embroiled in a perplexing new case. When a seemingly tranquil event is shattered by a shocking crime, Nelly must rely on her keen observational skills and deductive reasoning to sift through a web of secrets and social graces. Alongside a trusted ally, she navigates a world where proper decorum masks hidden motives, determined to uncover the truth before the culprit vanishes into polite society. The film stars Pascale Hutton and Kavan Smith, who bring this tale of intrigue and manners to life. This engaging mystery promises a captivating puzzle where every clue is wrapped in etiquette and every suspect has something to hide.