is a warm and witty whodunit; delivering murder mysteries with a smile. are Charlie and Nicola Buchanan (Shaun Micallef and Kat Stewart) - crime scene cleaners whose unique quirks and talents solve the most baffling murder mysteries. Together, Charlie and Nicola Buchanan are a superhero. Combine Charlie’s monumental mind for facts and figures with Nicola’s deep sense of justice, observational skills and empathy, and there’s no place for a killer to hide.